MFA for Dynamics 365 On-Premises and AD FS

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A Major Release for MSPs, Enterprises, Hosting, and Cloud Service Providers

MachSol has released MachPanel v8.3.25, the latest build of its automation platform for teams running Hyper-V, Exchange, and Microsoft 365 environments across multiple tenants. This release adds Hyper-V cluster snapshot support, over 30 new REST API endpoints, a set of Exchange management improvements, and fixes for several critical security vulnerabilities

If you’re evaluating alternatives to VMware for VPS hosting, this is a build worth looking at.

Here’s what’s actually worth knowing, and how to get the most out of it.

Security fixes you shouldn’t wait on

Starting here because it matters most. This build patches SQL injection, stored cross-site scripting, insecure direct object reference, and an SSO bypass via an alternative login page. It also hardens authentication and authorization controls and updates several third-party components with known CVEs, including Bootstrap, Bootstrap-select, Chart.js, and Vue.js.

Hosting platforms are a real target, and every unpatched vulnerability is exposure you’re carrying. Updating to v8.3.25 applies all of these fixes in one pass, no separate configuration required.

Not sure your current build or configuration is fully hardened? Talk to a technology expert and we’ll review your MachPanel deployment to confirm it’s configured and optimized correctly, not just up to date on paper.

Hyper-V cluster snapshot support: real disaster recovery for clustered VMs

MachPanel now supports snapshots for Hyper-V cluster deployments, not just standalone VMs. Paired with the new cluster-aware VPS import and automatic owner node updates, this closes a real gap for providers running clustered Hyper-V environments. Protecting a VM that can move between nodes used to mean manual console work outside MachPanel. Now it’s handled inside the platform.

For providers building or scaling a Hyper-V based VPS business, an automation and orchestration platform, not manual console work, is what makes multi-tenant hosting sustainable at volume.

Exchange management, tightened across the board

This release doesn’t add one standout Exchange feature so much as it cleans up a long list of things administrators deal with regularly:

• Distribution list membership management rebuilt to handle very large lists, in the 10,000+ member range, without the slow loading that used to come with big DLs
• Broader deadlock prevention across Exchange and AD management
• Full access permissions now update automatically on resource and room mailboxes when the manager changes
• A dedicated custom quota setting for personal archiving
• Mailbox exports now include LegacyExchangeDN
• Primary email addresses update automatically when an AD user’s UPN changes
• New REST API coverage specific to mailboxes, including PATCH support for general and advanced settingsAlongside these, a set of fixes addresses issues admins have likely run into directly: shared mailbox permission handling, public folder mailboxes not being removed after a subscription cancellation, custom quota values not displaying correctly in the mailbox advanced tab, and an export error on the customer side.30+ new REST API endpoints for deeper automation

  For teams automating provisioning or integrating MachPanel with billing, CRM, or internal tooling, this build adds REST API coverage for mailbox type changes, calendar permissions, AD authentication, advanced settings, and mailbox add-on reports. More endpoint coverage means fewer workflows that still require manual clicks in the UI, which is the whole point of running an orchestration platform instead of managing Hyper-V, Exchange, and AD by hand across every tenant.

  Also in this release

  A long list of smaller improvements across VPS and Active Directory management, including:

  • VM reinstall, without full re-provisioning
  • OS installation via ISO during VM creation, and OS type changes for existing VMs
  • Dynamic IP allocation for Linux VMs
  • A separate VLANs report for network auditing
  • Per-interface firewall reset
  • More granular staff, customer, and reseller permissions across AD, Hyper-V, and Exchange
  • Enhanced audit logging across Exchange, Hyper-V, and Skype for Business modules

  The complete release notes cover every change in this build, including items not listed here.

  Before you upgrade

  • Do not upgrade if you’re running Exchange 2010 or Exchange 2010 Hosted modules.
  • If you’re upgrading from a build older than 8.0.32, install .NET Framework 4.8 first.
  • Upgrade in order: Control Server, then Remote Server, then REST API if you use it.

  Full step by step instructions are in the release notes.

  Frequently asked questions

  What’s new in MachPanel v8.3.25? Hyper-V cluster snapshot support, a set of Exchange management improvements including better handling of large distribution lists, 30+ new REST API endpoints, and fixes for several security vulnerabilities including SQL injection, XSS, and an SSO bypass issue.

  When was MachPanel v8.3.25 released? September 8, 2026.

  Is MachPanel v8.3.25 compatible with Exchange 2010? No. Customers running Exchange 2010 or Exchange 2010 Hosted modules should not update to this build.

  Do I need to do anything special to get the security fixes? No. Updating to v8.3.25 applies all the security patches automatically.

  How do I upgrade to MachPanel v8.3.25? Update in this order: Control Server, then Remote Server, then REST API if you use it. Install .NET Framework 4.8 first if you’re coming from a build older than 8.0.32.

  Is MachPanel a good alternative to VMware for VPS hosting? MachPanel is built for providers running Hyper-V based multi-tenant VPS hosting, with automation and orchestration designed for managing many customer environments from one platform. If you’re weighing a move off VMware, our team can walk through what that looks like for your setup.

  Where can I see the complete list of changes? The full release notes cover every feature, improvement, and fix in this build.

  Get the most out of this release

  Already running MachPanel? Our support team is at support@machsol.com or through the support portal for anything related to the upgrade.

  Want a second set of eyes on your deployment? Talk to a technology expert to verify your configuration, confirm you’re getting full value from features like this release’s Hyper-V and Exchange improvements, and optimize your setup rather than leaving it running on defaults.

  Evaluating MachPanel for the first time? If you’re running or planning a multi-tenant Hyper-V, Exchange, or Microsoft 365 hosting business, see how MachPanel fits with a free trial or talk to our team.

To view the complete release notes, please visit:
MachPanel v8.3 Build 25 – Release Notes

Have questions? Email us at support@machsol.com  or  visit  https://support.machsol.com/

The post MachPanel v8.3 BUILD 25, Now Available! appeared first on MachSol Blog.

Nobody gets excited about an email server upgrade project. There is no launch event, no ribbon-cutting. And yet, for thousands of service providers and enterprises still running on-premises Microsoft Exchange, the next ten weeks are the most consequential infrastructure window of the decade.

On 31 October 2026, the final Extended Security Update (ESU) period for Exchange Server 2016 and Exchange Server 2019 ends. Microsoft has made clear that this is the final ESU period, with no further extension planned.

If you are still running Exchange 2016 or Exchange 2019 on-premises, this article covers exactly what changed, why the risk is not theoretical, and how to reach Exchange Server Subscription Edition (SE) without turning your migration into a fire drill.

The Timeline, Precisely

A lot of teams are still working from the earlier Exchange 2016 and Exchange 2019 lifecycle calendar. Here is where things actually stand:

For Exchange Server 2016, the distinction between the two support dates matters. October 13, 2020 was the end of mainstream support, while October 14, 2025 was the end of extended support.

Exchange Server 2019 reached the end of mainstream support on January 9, 2024, followed by extended support ending on October 14, 2025.

Period 2 is therefore not a return to normal product support. It is a final security-update bridge for eligible organizations that need additional time to complete their migration.

What Period 2 does not give you

It is worth spelling this out, because the word “support” is doing a lot of misleading work here:

• You cannot open a general support case for Exchange 2016 or 2019. The only exception is a problem caused directly by an ESU update itself.
• No feature requests.
• No performance-tuning assistance.
• No non-security bug fixes.

Treat Period 2 as a temporary security bridge, not a return to normal Exchange support.

Is 31 October 2026 really the final Exchange 2016/2019 deadline?

Yes.

For organizations still running Exchange 2016 or Exchange 2019 on-premises, 31 October 2026 is the date that matters because it marks the end of the final ESU period.

The practical takeaway is simple:

Do not build your Exchange migration strategy around another extension.

Why an Unpatched Exchange Box Is Not a Passive Risk

Exchange sits on the internet edge with administrative reach across your entire mail environment. That combination is precisely why it has a documented, repeated history of becoming the initial access point for ransomware crews and espionage groups.

The ProxyShell lesson. ProxyShell is the name researchers gave to a chain of three flaws — CVE-2021-34473, CVE-2021-34523 and CVE-2021-31207 — discovered by researcher Orange Tsai during Pwn2Own 2021.

CVE-2021-34473 alone carries an NVD severity score of 9.8, and it lets an attacker holding zero credentials exploit the Exchange Client Access Service to gain SYSTEM-level backend access. Chain it with the privilege-escalation and file-write flaws that follow, and an outsider with no account on your network can write a web shell and run arbitrary commands.

CISA added CVE-2021-34473 to its Known Exploited Vulnerabilities catalog in November 2021, and ProxyShell remains an important reminder of what happens when internet-facing Exchange infrastructure falls behind on security updates.

Here is the part that should concern anyone tempted to run past the deadline:

A vulnerability does not become less dangerous simply because it is old.

Legacy Exchange servers do not get safer with age.

They get more thoroughly catalogued.

Your Path Forward: Exchange Server Subscription Edition

Microsoft’s answer for organizations that need to stay on-premises is Exchange Server Subscription Edition (SE) — a shift from the traditional fixed-version model to a subscription-based servicing model.

For organizations searching for an Exchange 2016 replacement, Exchange 2019 replacement, or a supported on-premises Exchange platform, Exchange Server SE is the destination to plan for.

Why SE is the right destination for on-premises Exchange

• Continuous updates. Regular cumulative updates deliver new features, bug fixes and security patches, reducing the need for large, disruptive version-to-version migrations.
• Modern security. Exchange SE incorporates current security capabilities and supported protocols.
• Modern Lifecycle Policy. Exchange SE follows Microsoft’s subscription-based servicing model rather than the traditional fixed-version lifecycle.

The supported Exchange SE upgrade paths

From Exchange Server 2019 → The simplest path is an in-place upgrade to Exchange Server SE. Microsoft supports an in-place upgrade from Exchange 2019 CU14 or CU15.

From Exchange Server 2016 → A legacy upgrade is required. Exchange 2016 cannot simply be upgraded in place to Exchange SE. Microsoft supports a legacy upgrade directly to Exchange SE or a legacy upgrade to Exchange 2019 CU14/CU15 followed by an in-place upgrade to SE.

Still running Exchange 2013? Exchange Server SE does not support coexistence with Exchange Server 2013. Those servers need to be addressed as part of the migration before moving to the supported SE environment.

What is the difference between an Exchange 2016 and Exchange 2019 migration to SE?

Exchange 2019 can follow an in-place upgrade path. Exchange 2016 requires a legacy migration.

That distinction matters when planning an Exchange 2016 to Exchange SE migration versus an Exchange 2019 to Exchange SE upgrade, because the infrastructure, coexistence and mailbox/resource migration requirements are different.

For organizations with a large Exchange estate, this is why migration planning should begin well before the October 2026 deadline.

If you want to understand how MachSol approaches Exchange SE readiness and migration, see our earlier guide on preparing for Exchange Server Subscription Edition.

What This Means Specifically for Service Providers

For an enterprise, this is one migration.

For an MSP, hosting provider or managed service provider running multi-tenant Exchange, it is dozens or hundreds of simultaneous migrations — each with its own mailbox counts, DAG topology, transport rules, branding and billing arrangements.

Sequencing matters more than the deadline itself.

This is where orchestration stops being a nice-to-have.

Manage Exchange Across Multiple Tenants

MachPanel Automation Module for Microsoft Exchange

MachPanel provides a multi-tenant control panel and orchestration platform for hosted Microsoft Exchange, supporting Exchange Server Subscription Edition, Exchange 2019, Exchange 2016 and Exchange 2013 environments. It provides provisioning, management, self-service, monitoring, migration utilities and billing capabilities for Exchange service providers.

Key capabilities include:

• True multi-tenancy with tenant segregation through Microsoft’s Exchange framework.
• Built-in migration tools for importing and migrating existing Exchange environments.
• ADSync integration for directory synchronization and identity management.
• Self-service portals for providers, resellers, customers and AD users.
• Exchange mailbox, domain, distribution group and public folder management.
• DAG and multiple Exchange deployment support for high-availability environments.
• Exchange Email Signature Automation for centralized signature and disclaimer management.
• SSO, MFA and passwordless authentication for stronger access control.
• Monitoring, reporting and auditing across the Exchange environment.

For service providers, this is more than an Exchange 2016/2019 end-of-support migration.

It is an opportunity to modernize how Exchange is provisioned, managed and delivered across multiple tenants while moving the underlying infrastructure to Exchange SE.

Exchange Email Signature Management

One area often overlooked during an Exchange migration is email signature management.

MachPanel provides centralized Exchange email signature management, including tenant-level signature assignment, department-based signatures, Active Directory-driven attributes, disclaimers and policy enforcement.

Learn more about MachPanel Exchange Email Signature Management

Active Directory Synchronization

For service providers managing customer identities across environments, ADSync can also be part of the broader Exchange service-delivery architecture.

Learn more about MachPanel ADSync

For organizations that need standalone Active Directory synchronization, MachSol also offers MachSync, which supports synchronization between Active Directory environments.

Learn more about MachSync Active Directory Synchronization

Let MachSol Run the Exchange SE Migration

These upgrades are complex and time-consuming, particularly at service-provider scale. They demand careful planning, deep technical knowledge and a genuine commitment to minimising downtime.

MachSol Professional Services handles the entire process end to end:

1. Pre-migration assessment — we analyse your existing Exchange environment to identify the optimal upgrade path and surface potential blockers.
2. Planning and design — a detailed, customised migration plan built for minimal disruption.
3. Execution — our engineers stand up the new Exchange Server SE infrastructure and migrate mailboxes and public folders.
4. Post-migration support — ongoing assurance that the new environment is stable, secure and performing.

Explore MachSol Professional and Migration Services

MachSol’s professional services include enterprise migration services, turnkey services and training, giving organizations the option to engage MachSol for planning, implementation and migration assistance.

MachSol is a Microsoft Certified Partner, and MachPanel is a Microsoft-validated solution for hosted Microsoft environments.

Don’t Let the Exchange 2016/2019 Deadline Catch You Off Guard

Ten weeks is enough time to run a well-planned migration.

It is not enough time to run a panicked one.

If you’re running Exchange 2016 or Exchange 2019 on-premises, now is the time to assess your environment, determine the right Exchange Server Subscription Edition migration path, and start planning.

Ready to Plan Your Exchange SE Migration?

Whether you operate an enterprise Exchange environment or manage a multi-tenant Exchange hosting platform, MachSol can help assess your current environment and define the right path forward.

👉 Contact MachSol to book your free pre-migration assessment

Or learn more about the MachPanel Exchange Management and Automation Platform for multi-tenant Exchange service providers.

Frequently Asked Questions

When does Exchange 2016 end of support?

Exchange Server 2016 reached its Mainstream Support End Date on October 13, 2020 and its Extended Support End Date on October 14, 2025. The final ESU period for eligible organizations runs through October 31, 2026.

When does Exchange 2019 end of support?

Exchange Server 2019 reached its Mainstream Support End Date on January 9, 2024 and its Extended Support End Date on October 14, 2025. The final ESU period ends October 31, 2026.

When do Exchange 2016 and 2019 security updates end?

The final ESU period for Exchange Server 2016 and Exchange Server 2019 ends October 31, 2026.

Organizations still running these versions should plan their migration to Exchange Server Subscription Edition before the final ESU period expires.

Is Exchange 2019 still supported?

No. Exchange Server 2019 reached the end of its extended support lifecycle on October 14, 2025. Eligible organizations enrolled in the final ESU period can receive applicable security updates through October 31, 2026.

What happens to Exchange 2016 and 2019 after October 31, 2026?

The final ESU period ends. Organizations should plan to move away from Exchange 2016 and Exchange 2019 as their production Exchange platform and migrate to Exchange Server Subscription Edition.

Is there another ESU period after October 31, 2026?

No. Microsoft has confirmed that there will be no further extension of the Exchange 2016/2019 ESU program after October 2026.

Can Exchange 2016 be upgraded to Exchange Server Subscription Edition?

Yes, but not as an in-place upgrade. Exchange 2016 requires a legacy migration to Exchange SE. Microsoft also supports a legacy upgrade to Exchange 2019 CU14/CU15 followed by an in-place upgrade to Exchange SE.

Can Exchange 2019 be upgraded to Exchange Server Subscription Edition?

Yes. Exchange Server 2019 CU14 or CU15 supports an in-place upgrade to Exchange Server Subscription Edition.

What is Exchange Server Subscription Edition?

Exchange Server Subscription Edition (SE) is Microsoft’s current Exchange Server platform for organizations that continue to operate Exchange on-premises. It follows a subscription-based servicing model rather than the traditional fixed-version lifecycle.

What should MSPs and hosting providers do before Exchange 2016/2019 end of support?

MSPs and hosting providers should plan both the Exchange infrastructure migration and the service-delivery layer.

Multi-tenant provisioning, delegated administration, customer self-service, Active Directory synchronization, email signature management and automation should be considered alongside the Exchange SE migration.

Can MachPanel manage multi-tenant Exchange environments?

Yes. MachPanel provides multi-tenant management, provisioning, automation and self-service capabilities for Microsoft Exchange environments, including on-premises Exchange deployments.

Explore MachPanel for Microsoft Exchange

Ready to Plan Your Exchange SE Migration?

If your organization is still running Exchange 2016 or Exchange 2019, October 31, 2026 is no longer a date to watch. It is a date to plan around.

Whether you’re an enterprise, MSP, hosting provider or managed service provider, MachSol can help you assess your current Exchange environment and plan the transition to Exchange Server Subscription Edition.

👉 Book your Exchange migration assessment with MachSol

Official Microsoft Exchange Resources

For readers who want to verify lifecycle dates or review Microsoft’s technical migration guidance, these official resources provide additional information:

• Exchange Server 2016 Lifecycle
• Exchange Server 2019 Lifecycle
• Upgrading to Exchange Server Subscription Edition
• Exchange Server Supportability Matrix
• What’s New in Exchange Server Subscription Edition

The post exchange-2016-2019-end-of-support-2026 appeared first on MachSol Blog.

Introduction

Active Directory synchronization is a common requirement for modern IT environments. However, not all synchronization tools are built for the same purpose. Many organizations assume that Microsoft Entra ID Sync (formerly Azure AD Connect) can handle all identity synchronization needs, but that is not always the case.

This article explains the differences between MachSync and Microsoft Entra ID Sync, including where each tool fits, what problems they solve, and which scenarios they are designed for. The goal is to help IT teams choose the right approach based on how their Active Directory environments are structured.

What Is MachSync?

MachSync is an Active Directory synchronization solution designed to keep identities consistent between multiple Active Directory forests. It synchronizes users, passwords, groups, organizational units, and selected attributes directly from one AD forest to another.

MachSync works without domain or forest trusts and runs fully within customer-controlled infrastructure. Identity data does not need to pass through cloud services or external platforms. This makes it suitable for on-premise, private cloud, regulated, and disconnected environments.

MachSync is commonly used for:

• Forest-to-forest Active Directory synchronization
• Mergers and acquisitions
• Active Directory migrations
• Hybrid and private cloud environments
• MSP and hosted AD models

What Is Microsoft Entra ID Sync (Azure AD Connect / Cloud Sync)?

Microsoft Entra ID Sync, including Azure AD Connect and Entra Cloud Sync, is designed to synchronize identities from on-premise Active Directory to Microsoft Entra ID.

Its main purpose is to enable users to access Microsoft 365 and other Entra-integrated services using their on-premise credentials. It is a cloud-focused identity provisioning tool, not an Active Directory–to–Active Directory synchronization solution.

Entra ID Sync relies on Microsoft Entra ID as the central identity platform. It does not provide native support for syncing identities directly between two or more Active Directory forests.

Core Difference at a Glance

The most important distinction is simple:

• MachSync synchronizes Active Directory to Active Directory
• Microsoft Entra ID Sync synchronizes Active Directory to Entra ID

They are built for different identity models and solve different problems.

Feature Comparison: MachSync vs Microsoft Entra ID Sync

When MachSync Is the Better Choice

MachSync is a better fit when organizations need direct Active Directory synchronization without relying on cloud identity platforms.

Common scenarios include:

• Synchronizing identities between multiple AD forests
• Avoiding domain or forest trusts due to security concerns
• Running identity services in private or restricted environments
• Managing identities across AWS, Azure IaaS, and on-premise data centers
• Supporting mergers, acquisitions, or long-term coexistence
• Operating MSP or hosted Active Directory platforms

When Microsoft Entra ID Sync Makes Sense

Microsoft Entra ID Sync is the right choice when the goal is to:

• Connect on-premise Active Directory to Microsoft 365
• Enable cloud-based authentication and SSO
• Centralize identity in Microsoft Entra ID
• Operate in a cloud-first identity model

It works well when Entra ID is the primary identity platform and there is no need for direct forest-to-forest synchronization.

Can MachSync and Entra ID Sync Be Used Together?

Yes. In some environments, MachSync and Entra ID Sync are used side by side.

For example:

• MachSync keeps multiple AD forests aligned
• Entra ID Sync publishes identities from one selected forest to Microsoft Entra ID

This approach allows organizations to maintain internal AD consistency while still supporting Microsoft 365 and cloud services.

Key Takeaway

MachSync and Microsoft Entra ID Sync are not competing tools in the same category. They serve different identity models.

• Choose MachSync when you need secure, trustless, forest-to-forest Active Directory synchronization.
• Choose Microsoft Entra ID Sync when your goal is to integrate on-premise Active Directory with Microsoft Entra ID and Microsoft 365.

Understanding this difference helps avoid design mistakes and ensures the identity platform matches real operational needs.

Still Not Sure Which Sync Approach Fits You? Our certified and Experienced technology experts are available to answer all your questions. Contact MachSol Today.

The post MachSync vs Microsoft Entra ID Sync appeared first on MachSol Blog.

Executive Summary

Modern enterprises operate across multiple Active Directory forests spanning on‑premise data centers, private clouds, and public cloud infrastructure. Maintaining identity consistency across these environments is no longer optional—it is a security, compliance, and productivity requirement.

MachSync is an enterprise-grade, agent-based Active Directory synchronization solution designed to securely synchronize users, passwords, groups, organizational units, and attributes across isolated AD forests—without requiring domain or forest trusts and without routing identity data through third‑party cloud services.

By operating entirely within customer-controlled infrastructure, MachSync enables real-time identity consistency, preserves forest isolation, reduces operational risk, and simplifies identity management for complex hybrid and multi-cloud environments.

What is Active Directory Synchronization?

Active Directory (AD) synchronization is the automated process of ensuring that user identities, credentials, group memberships, and attributes remain identical across different directory environments. When you create, update, or delete a user in your primary directory, a synchronization solution like MachSync instantly pushes those changes to all other connected systems.

Keeping identities in sync across cloud, hybrid, and on-premise environments is one of the biggest challenges in IT today so for modern IT teams, this is no longer optional. It is the foundation of secure access, operational efficiency, and compliance readiness..

Why Manual Identity Management is Failing IT Teams

Many organizations still rely on manual data entry or custom PowerShell scripts to manage their users. This approach introduces significant operational and security risks:

1. Users Locked Out Due to Unsynced Credentials: When passwords aren’t synced in real-time, employees get locked out of essential apps even after a reset. This leads to frustrated staff and a flood of “I can’t log in” helpdesk tickets.
2. Duplicate or Outdated User Records: Without automation, “identity bloat” sets in. You end up with multiple records for the same employee or outdated profiles for people who have changed roles, making it impossible to maintain a clean directory.
3. Increased Security Risks from Inconsistent Access: If permissions are updated in one place but not the other, users retain access to sensitive data they no longer need. These “leftover” permissions create a massive attack surface for hackers to exploit.
4. Compliance Headaches from Identity Sprawl: For audits like GDPR or SOC2, you must prove who has access to what. Manual tracking is rarely accurate enough, and unmanaged “identity sprawl” makes passing a compliance audit nearly impossible.
5. The Danger of Orphaned Accounts: When an employee leaves, manual de-provisioning is often slow. This leaves “orphaned accounts” active for days, creating a backdoor for cyberattacks.

The Solution: MachSync Identity Synchronization

MachSync is an Enterprise-grade Identity Synchronization Solution for all your identity synchronization needs. It serves as a secure, automated bridge that ensures your identity data is consistent, regardless of how complex your infrastructure is.

Key Benefits of MachSync:

• Effortless Full-Stack Sync: Automatically synchronizes Users, Passwords, Groups, OUs, and nested AD attributes. If it’s in your AD, MachSync keeps it in sync.
• Automated User Lifecycle: From the first day of hire to the last day of employment, user access and permissions are handled automatically.
• Conquer Any AD Challenge: Effortlessly manage identities across one-to-one, one-to-many, or complex multi-domain setups without needing complex domain trusts.
• Real-Time Consistency: Changes made in your source directory—including password resets—are reflected everywhere else in seconds, not hours.
• Script-Free Management: Replace fragile PowerShell scripts with a professional, UI-driven tool that is simple to install and easy to maintain.
• Unmatched Security: Your data remains secure with dual-layer AES Encryption and the ability to define custom TCP ports for all data transmissions

MachSync vs. other Sync Approaches

Modern enterprises often operate multiple Active Directory forests across AWS, Azure, GCP, and On-Premise so they require identity consistency without increasing security risk or operational complexity. There are three possible approaches they can adapt:

• MachSync (Multi-Forest Object Synchronization)​
• Cloud Provider Sync Tools​
• Domain / Forest Trusts

So in Nutshell:

MachSync enables secure, scalable, multi-cloud identity consistency​ without sharing authentication boundaries.

How to Get Started with Better Identity Sync

Improving your identity management doesn’t have to be a multi-month project. By implementing a dedicated tool like MachSync, you can secure your network and free up your IT team for more important tasks.

Common Problems MachSync Solves – Use Cases:
IT infrastructure is rarely simple. Whether you are dealing with a company merger or trying to bridge the gap between your office and the cloud, MachSync is built to handle these specific, high-stakes scenarios:

1. AD Consolidation for Mergers & Acquisitions

When two companies become one, the biggest IT headache is combining two completely different Active Directory forests. MachSync allows you to synchronize users, groups, and passwords across separate forests without the need for permanent, bidirectional domain trusts. This approach provides immediate business continuity—allowing employees to collaborate and access shared resources on Day 1—without compromising the security posture of either organization during the integration phase.

2. Single Source of Truth (SSOT) Architecture

In many organizations, identity data is scattered across different departments or locations. MachSync helps you establish a Single Source of Truth. By designating one master AD for authoritative attributes, you ensure that every other directory reflects accurate and governed identity data.

3. Synchronization for Cloud-Hosted Active Directory

Many companies are moving their infrastructure to the cloud by running Active Directory on virtual machines in environments like AWS, Azure IaaS, or private hosting. However, managing identities across these “cloud-hosted” AD forests and your local on-premise setup can be challenging.

MachSync acts as the bridge for these environments. It ensures that when you create or update a user in your local on-premise AD, their identity is instantly updated in your cloud-hosted AD forest or vice versa. This provides a consistent identity experience across your entire hybrid infrastructure without requiring manual entry in multiple locations.

4. Real-Time Password Synchronization and Parity

One of the top reasons for helpdesk calls is “password fatigue”—the frustration of having different passwords for different domains. MachSync solves this by providing Password Parity across your entire infrastructure.

MachSync intercepts password changes across AD forest and sync to all Active directories. This ensures that a user’s password remains identical across every forest they access. It delivers a seamless login experience where users only have to remember a single set of credentials to access resources across different AD environments, significantly reducing support tickets.

5. Multi-Tenant, Hosted, and Hub-and-Spoke Environments

For Managed Service Providers (MSPs), shared services organizations, or large enterprises with a hub-and-spoke AD architecture, managing data flow between separate “tenants” or branches is complex. MachSync is specifically designed to handle these distributed environments.

MachSync’s Endpoint configuration allows you to target specific Organizational Units (OUs), giving you surgical control over which data gets synced to which location. This makes it an ideal solution for service providers who need to keep customer data isolated, or for enterprises that need to sync specific branch data to a central corporate hub without syncing the entire directory.

6. Business Continuity During AD Migrations

Moving users from an old Active Directory environment to a new one is inherently risky. MachSync minimizes this risk and eliminates downtime by maintaining a parallel “live sync” throughout the migration process.

This ensures your users can continue working in the legacy environment while the new destination is being built and populated in the background. MachSync supports staged cutovers, allowing you to migrate users in phases rather than all at once. This approach provides rollback safety and ensures minimal disruption to the business, as data remains consistent across both environments until you are ready for the final switch.

Conclusion

Active Directory synchronization is about more than just moving data; it’s about maintaining a secure and efficient business. By moving away from manual processes and adopting an automated solution like MachSync, you ensure that your identity data is always consistent, accurate, and protected.

Unlike cloud-only sync tools that require data to pass through external servers, MachSync operates agent-based within your own customer-controlled infrastructure. This architecture ensures that sensitive identities never leave your organization’s security boundary, providing you with full control and peace of mind. With MachSync, you gain the benefits of modern automation without compromising your strict security or compliance standards.

Ready to Simplify Your Active Directory Sync? Explore MachSync or book a demo.

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The post Secure On-Premise Active Directory Synchronization in 2026 appeared first on MachSol Blog.

For service providers and enterprises that rely on Microsoft Exchange Server on-premises for their mission-critical email infrastructure, a significant deadline is approaching: October 14, 2025. On this date, both Exchange Server 2016 and Exchange Server 2019 will reach their end of extended support. This isn’t just a calendar event; it’s a critical moment for your organization’s security and stability.

Why This Deadline Matters

End of support means Microsoft will no longer provide security updates, non-security fixes, or technical assistance for these products. Continuing to run an unsupported server is a dangerous gamble. It leaves your system vulnerable to new security threats, bugs, and compliance issues. For a system as central to your operations as Exchange, this is an unacceptable risk.

Think of it like driving a car with a major recall that the manufacturer is no longer fixing. You might get by for a while, but eventually, the issue will catch up to you, and the consequences could be catastrophic. For your business, this could mean a data breach, service downtime, or an inability to meet regulatory compliance standards.

Your Path Forward: The Exchange Server Subscription Edition

Microsoft’s solution for customers who wish to remain on-premises is the Exchange Server Subscription Edition (SE). This new model represents a shift from the traditional one-time purchase to a subscription-based, “evergreen” approach. This means you get a modern, continuously updated product, similar to the experience with Exchange Online, but with the control of your own servers.

Why You Should Upgrade to Exchange Server SE

• Continuous Updates: The most significant benefit of Exchange Server SE is that it receives regular cumulative updates (CUs) that include new features, bug fixes, and security patches. This eliminates the need for large, disruptive upgrades every few years and ensures your system is always up-to-date and secure.
• Enhanced Security: Exchange Server SE includes the latest security features and protocols, like support for TLS 1.3 and modern authentication, which are crucial for protecting your data from an ever-evolving threat landscape.
• Modern Lifecycle Policy: With the subscription model, Exchange Server SE follows Microsoft’s Modern Lifecycle Policy, which provides continuous support as long as your subscription is active. This eliminates the uncertainty of future end-of-support dates.

How to Upgrade: The On-Premises Migration Paths

Microsoft has provided clear, supported paths for upgrading to Exchange Server SE. The migration process depends on your current environment.

• From Exchange Server 2019: The simplest path is an in-place upgrade to Exchange Server SE. This is possible because Exchange Server SE’s codebase is identical to Exchange Server 2019 CU15. However, you must be on Exchange 2019 CU14 or CU15 to perform this seamless upgrade.
• From Exchange Server 2016: For those on Exchange Server 2016, a legacy upgrade is the way to go. This involves introducing new Exchange Server SE servers into your existing organization and migrating mailboxes and other resources to the new environment. Microsoft officially recommends upgrading to Exchange 2016 CU23 before performing a legacy upgrade to Exchange 2019 CU15, which then allows for the in-place upgrade to Exchange SE. However, you can also perform a direct legacy upgrade to Exchange SE.

It’s important to note that Exchange Server SE does not support coexistence with Exchange Server 2013, so any remaining Exchange 2013 servers must be decommissioned first.

Let MachSol’s Professional Services Handle It

Navigating these upgrades can be complex and time-consuming, especially for large organizations or service providers. The process requires careful planning, deep technical knowledge, and a commitment to minimizing downtime.

This is where MachSol Professional Services comes in. Our team of certified and experienced resources specializes in Microsoft Exchange migrations. We’ve helped countless businesses and service providers successfully transition to modern platforms, offering a complete, worry-free experience.

We handle the entire process from start to finish, including:

• Pre-Migration Assessment: We analyze your existing Exchange environment to identify the best upgrade path and potential challenges.
• Planning and Design: We create a detailed, customized migration plan that ensures a smooth transition with minimal disruption to your operations.
• Execution: Our experts perform the upgrade, from setting up the new Exchange Server SE infrastructure to migrating mailboxes and public folders.
• Post-Migration Support: We provide ongoing support to ensure your new environment is stable, secure, and performing optimally.

Don’t let the end-of-support deadline catch you off guard. The clock is ticking, and the risks of not upgrading are too great. Partner with MachSol and get the peace of mind that comes with a professionally managed, seamless migration to Exchange Server Subscription Edition.

Ready to secure your future? Contact MachSol today to discuss your Exchange migration needs.

The post The Looming Deadline: Exchange Server 2016 and 2019 End of Support appeared first on MachSol Blog.

Organizations running on-premises SharePoint (Subscription Edition, 2019, and 2016) face immediate operational, legal, and reputational risk if unpatched or misconfigured.

Technical Overview

• CVE IDs: CVE-2025-53770 (primary RCE), CVE-2025-53771 (chained)
• Vulnerability Class: .NET ViewState Deserialization + Path Traversal
• Affected Platforms:
  • SharePoint Server Subscription Edition
  • SharePoint Server 2019
  • SharePoint Server 2016
• Attack Vector: Unauthenticated HTTP(S) request to ToolPane.aspx leveraging insecure ViewState + malicious path traversal to drop arbitrary code in server-side layouts.
• Payload: spinstall0.aspx web shell deployed for persistent control and exfiltration.

Technical Implications:

• Machine key compromise: Allows attackers to sign payloads that bypass authentication controls.
• Web shell persistence: Enables long-term command and control (C2) access.
• Post-exploitation lateral movement: Via NTLM relay, LDAP harvesting, or credential dumping.
• Detection challenges: Use of legitimate pages (ToolPane.aspx) and tampering with AMSI logging

Immediate Remediation Guide

1. Patch All Versions Immediately

• • Subscription Edition → KB 5002768
  • SharePoint 2019 → KB 5002754  AND  KB 5002753 
  • SharePoint 2016 →  KB 5002760 (language pack), KB 5002759 (core)

2. Rotate SharePoint Server ASP.NET machine keys

After applying the latest security updates above, it is critical that to rotate SharePoint server ASP.NET machine keys and restart IIS on all SharePoint servers.

To update the machine keys for a web application using PowerShell:

• Generate the machine key in PowerShell using Set-SPMachineKey
  
• Deploy the machine key to the farm in PowerShell using Update-SPMachineKey
  

3. IIS “iisreset” reset after the rotation has completed.

iisreset is required to ensure all SharePoint services immediately load the new machine keys from web.config and prevent use of old keys left in memory.

Why Machine Key Rotation matters

• Patching alone is not enough:  Attackers who have already stolen validation/decryption keys can continue creating malicious ViewState payloads.
• Microsoft guidance: The Microsoft Defender Vulnerability Management blog recommends rotating the machineKey twice, once before and once after applying patches to ensure complete protection.
• Double rotation: This practice helps eliminate lingering threats and prevents attackers from exploiting stolen cryptographic material.

Summary

• Exploit in-the-wild: The ToolShell exploit (CVE-2025-53770) is actively targeting on-premises SharePoint servers.
• Patches ongoing: Subscription Edition, 2019 and 2016 have patches available
• MachineKey rotation is critical: Machine key rotation is essential to invalidate stolen keys and stop persistent threats.
• Post Rotation: Always restart IIS on all SharePoint servers using iisreset.exe to apply changes immediately.

For comprehensive information, please refer to Microsoft’s official Common Vulnerabilities and Exposures (CVE) documentation for CVE-2025-53770 and related vulnerabilities

Disclaimer: Always back up your configuration (web.config and other) and test changes in a non-production environment before applying them to live systems.

→ Securing SharePoint Against Current and Future Threats

To protect your SharePoint deployment from this and future threats:

• Maintain Up-to-Date Systems: Ensure all SharePoint servers and related infrastructure are fully patched with the latest Microsoft security updates.
• Rotate Cryptographic Keys Regularly: Periodically rotate machine keys, especially following security incidents to reduce the risk of key compromise.
• Implement Comprehensive Logging and Monitoring: Enable detailed logging for SharePoint, including Antimalware Scan Interface (AMSI) and Windows Event Logs. Monitor for signs of tampering, suspicious activity.
• Apply Network and Access Controls: Restrict access to SharePoint administrative interfaces, especially the Central Administration site and other configuration pages by implementing network segmentation, VPNs, and firewall rules. Ensure that only authorized personnel can reach these sensitive areas by limiting access to trusted networks or through secure remote access solutions.
• Backup and Test Configurations: Regularly back up key configuration files (e.g., web.config, machine.config) and test patches and updates in a controlled staging environment prior to production deployment.

The post Critical SharePoint Zero-Day Exploit Targeting Enterprises appeared first on MachSol Blog.

This blog serves as a strategic guide for our customers to secure their infrastructure and stay compliant while continuing to offer these services to end consumers.

Key Security and Compliance Challenges

• Increasing vulnerability exposure of legacy and unpatched systems
• Misconfigured access controls and administrative rights
• Limited logging and audit visibility
• Manual or inconsistent patch management
• Weak segregation between tenants in a multi-tenant hosting setup
• Compliance with regional and international data protection laws (e.g., GDPR, HIPAA)
• Lack of cloud-like automation and zero-trust enforcement
• Dependency on traditional security models instead of modern layered security architectures

Best Practices to Secure Hosted Microsoft Technologies

1. Identity & Access Control

• • Enforce strong password policies and account lockout rules
  • Implement Role-Based Access Control (RBAC)
  • Integrate with external IdPs (e.g., ADFS, Azure AD, KeyCloak etc.) for SSO and conditional access.
  • Use multi-factor authentication (MFA) through third-party integrations
  • Disable unused or stale user accounts automatically

2. Network and Perimeter Security

• • Segment traffic between tenants using VLANs or dedicated interfaces
  • Implement IDS/IPS systems alongside firewall and anti-DDoS tools
  • Use TLS encryption for all external and internal communications (Exchange, Skype, SharePoint)
  • Monitor lateral movement with internal traffic analysis
  • Deploy perimeter firewalls with logging and geo-blocking rules
  • Configure Microsoft Defender for Endpoint and Server for layered protection

3. Patch Management and Vulnerability Scanning

• • Maintain a regular patching cycle for OS, Exchange, SharePoint, Skype, and Hyper-V
  • Conduct monthly vulnerability scans and annual penetration tests
  • Use tools like WSUS, SCCM, or third-party solutions for automatic updates
  • Document and remediate CVEs (Common Vulnerabilities and Exposures) per system

4. Logging, Monitoring, and Auditing

• • Enable centralized logging with secure log forwarding to SIEM platforms
  • Enable Exchange and SharePoint auditing for user and admin actions
  • Track and alert on anomalous access attempts or configuration changes
  • Generate and store periodic compliance reports (weekly/monthly)

5. Data Protection & Backup

• • Encrypt data-at-rest using BitLocker or SAN/NAS-native encryption
  • Perform automated daily and weekly backups with item-level restore capabilities
  • Test backup restore processes quarterly
  • Apply retention and DLP (Data Loss Prevention) policies across all hosted platforms
  • Ensure integration with anti-virus, anti-spam gateways and frameworks like SPF/DKIM/DMARC/Email Signing & Encryption for email hygiene

6. Tenant Isolation and Policy Enforcement

• • Use MachPanel’s multi-tenant provisioning to isolate resources and controls
  • Enforce unique mail flow rules, data access restrictions, and admin roles per tenant
  • Monitor and block cross-tenant data access anomalies

7. Compliance and Documentation

• • Maintain updated operational, security, and change control documentation
  • Perform internal compliance checks every quarter
  • Map security measures against regulatory requirements (e.g., ISO 27001, NIST)
  • Stay updated with Microsoft’s evolving security baselines for on-prem deployments

8. Platform Modernization Strategy

• • Explore hybrid integration with Microsoft 365 for extended security and compliance
  • Migrate specific workloads (e.g., archiving, eDiscovery) to secure cloud environments
  • Use MachPanel APIs to integrate with modern cloud tools while keeping core workloads on-prem

Why This Matters — A Business Case

Failing to secure hosted workloads risks customer trust, legal action, and brand damage. But simply copying cloud practices without context leads to overhead and inefficiencies.

Your competitive edge lies in:

• Proving compliance readiness during customer audits
• Maintaining SLAs with security resilience
• Reducing support costs through automation and standardization
• Positioning yourself as a trusted provider in regulated regions

How MachSol Helps:

MachSol’s control panel was designed with multi-tenancy, automation, and compliance in mind. Our solution offers:

• Centralized management of Microsoft Exchange, Hyper-V, SharePoint, and Skype for Business and others.
• Policy-based provisioning with detailed audit trails
• UI and API access controls for granular tenant isolation
• Automation support to reduce human error and enhance operational efficiency
• Built-in reporting and alerting tools for proactive platform monitoring

The post Best Practices for Securing and Staying Compliant with On-Premise Microsoft Hosting Platforms appeared first on MachSol Blog.

What Is Cloud Orchestration?

Think of cloud orchestration as your digital project manager. While individual teams or services might excel at their specific tasks, cloud orchestration ensures all components work together efficiently. It coordinates your various automated tasks, workflows, and processes across different cloud environments, ensuring everything happens in the right sequence, at the right time, with the right resources.

Orchestration vs. Automation: More Than Just a Word Game

Let’s clarify this with a practical example:

• Automation is like having a smart production line that assembles a product automatically. It handles a single task really well.
• Orchestration is like having an intelligent factory management system that not only runs the production line but also manages inventory, coordinates shipping, adjusts staffing, and ensures quality control across multiple production lines.

Orchestration encompasses automation but takes it several steps further by coordinating multiple automated tasks into a cohesive workflow.

Why Is Cloud Orchestration Necessary?

In today’s digital landscape, managing cloud resources manually is like trying to run a multinational corporation with paper ledgers and rotary phones. You might get by, but you’ll never thrive. Cloud orchestration becomes necessary when:

1. You’re juggling multiple cloud environments
2. Resource allocation needs to be dynamic and efficient
3. Compliance and security requirements are strict
4. Time-to-market needs to be faster
5. Human error needs to be minimized

Cloud Orchestration in Action: Real-World Use Cases

Let’s make this concrete with some examples:

E-commerce Platform Scaling: Automatically adjusting server capacity, database resources, and caching based on customer traffic patterns.

Financial Services: Coordinating real-time data processing, security checks, and regulatory compliance across multiple geographic regions.

Healthcare Systems: Managing patient data access, application deployment, and disaster recovery processes across hybrid cloud environments.

Hybrid Cloud Management: Seamlessly orchestrate resources across public clouds, private clouds, and on-premises infrastructure, ensuring optimal performance and cost-efficiency.

Cloud Service Delivery: Provision and manage multi-tenant offerings with monitoring, reporting, Billing. Most importantly optimize resource allocations, compliance and security policies.

IaaS/PaaS Service Delivery: Efficiently manage infrastructure and platform services across multiple client subscriptions and cloud providers.

Benefits of Cloud Orchestration

1. Time Savings: What used to take days now takes minutes
2. Cost Reduction: Better resource management = lower cloud bills
3. Enhanced Security: Consistent policy application across all clouds
4. Improved Reliability: Reduced human error and standardized processes
5. Scalability: Grow your infrastructure without growing your headaches

Choosing Your Orchestration Solution: What to Look For

Don’t just jump on the first orchestration platform you see. Consider:

Automation Capabilities: The tool should automate routine tasks for improved efficiency.
Compatibility: Does it integrate well with your existing cloud providers? It should integrate seamlessly with your existing cloud infrastructure.

Scalability & Flexibility: Can it grow with your business? The tool should be adaptable to changing cloud needs and environments.

Ease of Use: What’s the learning curve for your team?  A simple, intuitive interface is essential for efficient management.

Support: Is there robust technical support available? A strong support network and active community are valuable.

Security Features: Does it meet your compliance requirements? Robust security features are paramount.

In conclusion, cloud orchestration is a powerful tool that can transform how organizations manage their cloud environments. By coordinating multiple automated tasks, orchestration enables greater efficiency, scalability, and security. By carefully selecting the right orchestration tool, organizations can reap the full benefits of this transformative technology.

Don’t let cloud complexity hold you back. With the right orchestration solution, you can focus on what really matters – growing your business.

The post Beyond the Buzz: Understanding Cloud Orchestration and Why It Matters appeared first on MachSol Blog.

The tech landscape sent shockwaves in late 2023 with Broadcom’s acquisition of virtualization giant VMware. While the deal promised financial gains, service providers, the backbone of cloud deployments, have been left with a sense of unease. Broadcom’s historical focus on hardware and its aggressive cost-cutting measures have raised concerns about the future of VMware’s software offerings and Pricing. The termination of the VMware Partner program and the end of perpetual licensing are major sources of this unease.

This article delves into the implications of the acquisition for service providers, explores potential disruptions, and outlines strategies for navigating this uncertain terrain.

A Shift in Focus: From Innovation to Efficiency?

VMware has long been a leader in virtualization technology, offering robust solutions like vSphere and NSX. Its partner program empowered service providers to deliver these solutions to a wider audience, fostering a collaborative and innovative environment. However, Broadcom’s acquisition signals a potential shift in focus. Broadcom is known for its hardware expertise and a strong focus on cost optimization. This could lead to:

• Reduced Investment in R&D: Service providers worry that Broadcom might prioritize short-term gains over long-term innovation in VMware’s software portfolio. This could lead to a slowdown in feature development and a decline in overall product competitiveness.
• Ending VMware Partner Program: Broadcom’s historical reliance on direct sales seems to be the major factor for ending VMware partner program. Thus Service providers feel that they might face stricter margins, reduced training opportunities, and a less supportive environment.
• Shifting Licensing Landscape: Broadcom’s preference for subscription-based models over traditional perpetual licenses could significantly impact SPs. Service Providers are worried that the end of the Perpetual licensing model could disrupt existing pricing structures and potentially strain client relationships due to potential cost increases.

These changes could translate into higher costs, reduced flexibility, and a potential decline in the overall value proposition for service providers offering VMware solutions.

Time to Re-evaluate: Exploring Alternatives

Looking ahead, service providers need to be proactive in navigating this changing landscape. Here are some key strategies to consider:

• Evaluate Alternatives: With the future of VMware uncertain, it’s wise to explore alternative virtualization platforms. Microsoft’s Hyper-V emerges as a strong contender. Hyper-V is a mature, feature-rich platform with a robust ecosystem and built-in integration with other Microsoft products. Additionally, Microsoft offers a strong partner program with attractive benefits for service providers.
• Invest in Skill Development: As service providers transition to alternative platforms like Hyper-V, upskilling their workforce becomes crucial. Investing in training programs that equip engineers with the necessary expertise will ensure a smooth transition and continued service delivery excellence.
• Embrace Automation: Automating critical tasks associated with virtualization management can significantly improve efficiency and reduce costs. Exploring solutions for automated provisioning, patching, and scaling can help service providers remain competitive in a changing market.

By diversifying their offerings and investing in automation, service providers can future-proof their businesses and provide their clients with a wider range of solutions.

Introducing MachPanel: Effortless and Simplified Hyper-V Orchestration and Management

Transitioning to Hyper-V offers numerous advantages, but managing a complex virtualization environment demands a robust orchestration, Management and Virtualization solution. This is where MachPanel steps in.

MachPanel is a powerful yet user-friendly web-based control panel specifically designed for service providers offering IaaS & PaaS based on Hyper-V. Here’s how MachPanel can empower service providers:

• Simplified Hyper-V Management: MachPanel offers a centralized interface for provisioning, managing, and monitoring virtual machines, storage, networking, and security. This intuitive interface streamlines complex tasks, saving service providers valuable time and resources.
• Increased Efficiency: With complete business layer automation and white labelled Self Service portal means providers can save time and improve business efficiency and productivity. This not only reduces human error but also frees up precious personnel time for focusing on higher-value activities.
• Scalability and Flexibility: MachPanel scales effortlessly to meet the growing needs of service providers. It can manage large virtual infrastructures efficiently, making it ideal for businesses of all sizes.

MachPanel, coupled with Hyper-V’s robust functionality, provides service providers with a powerful and cost-effective platform to deliver exceptional virtualization services to their clients.

Conclusion

The Broadcom acquisition of VMware has created uncertainty for service providers. However, this can also be an opportunity for exploration and growth. By embracing alternative platforms like Hyper-V, investing in skill development, and leveraging automation solutions like MachPanel, service providers can adapt, innovate, and continue to deliver exceptional value to their customers.

The future of virtualization is evolving, and service providers who proactively navigate this change will emerge stronger and more competitive.

The post Thrive in Uncertainty: The Service Provider’s Roadmap After Broadcom Acquires VMware appeared first on MachSol Blog.