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Microsoft Dynamics GP 18.8: Improved Performance and Security

The latest version of Microsoft Dynamics GP, also known as GP 2026, is now available. Released in October 2025, this update continues Microsoft’s commitment to supporting GP users while ensuring the platform’s stability, compliance, and security.

PRODUCTS

MS Dynamics GP

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It includes several user-requested enhancements as well as key technical updates designed to keep the solution current and performing optimally in modern environments.

 

Highlights of Dynamics GP 18.8

Sales Order Processing (SOP)

  • Clearer required field messages: When an essential field (such as the Site ID) is missing, the system now displays a clearer error message to help users correct the information before saving the document.
  • New navigation list for sales order batches: Users can now view, filter, and manage unposted order batches more easily, simplifying the tracking of pending transactions.

 

Accounts Payable

  • Default Vendor Class roll down setting: The roll-down Vendor Class option is now set to “No” by default, reducing the risk of mass changes being applied unintentionally when creating or updating vendor records.

 

Fixed Assets

  • Luxury Auto Depreciation: New options allow users to store, view, and adjust depreciation values for luxury vehicles, helping ensure compliance with tax regulations such as IRS limits.

 

Compliance and Infrastructure

  • VAT enhancements: Version 18.8 updates VAT submission protocols, particularly for HMRC, to strengthen credential security and compliance with government requirements.
  • Improved compatibility and security: GP now supports TLS 1.3, .NET 4.7.2, and Visual Studio 2019, improving overall stability and compatibility with modern systems.
  • Enhanced data protection: Login credentials and information related to Power BI integrations or email communications are now better secured through improved encryption.

 

Source : Dynamics GP Support and Services Blog

 

Why It’s Important to Keep Your Dynamics GP Environment Up to Date

Beyond taking advantage of the new features introduced in version 18.8, it’s essential to keep your Dynamics GP environment up to date to ensure long-term compatibility, performance, and security.

Recent versions of GP include not only bug fixes and functional improvements, but also key technical adjustments required to remain compatible with modern infrastructures such as Windows 11 and the latest versions of SQL Server.

 

Compatibility with Windows 11

Starting with version 18.4.1434, Microsoft Dynamics GP is officially supported on Windows 11. More recent versions (18.5, 18.7, and 18.8) offer full compatibility with this operating system.

Here are a few key points to keep in mind:

  • Required version: Only versions 18.4.1434 and later are officially compatible with Windows 11.
  • System components: Some prerequisites such as .NET 3.5, SQL Server Native Client, and Dexterity Shared Components may need to be installed manually.
  • User Account Control (UAC) and permissions: Windows 11 enforces stricter security settings, so running Dynamics GP with the appropriate administrator rights is recommended.
  • Antivirus exclusions: Configure your antivirus to exclude GP-related files and folders to prevent performance issues.
  • Printing and remote access: Minor adjustments may be required for default printing or VPN access. Tested solutions such as FortiClient 7 have been validated for Windows 11.

 

To verify your current version of Dynamics GP, click the question-mark icon in the top-right corner of the application and select “About Microsoft Dynamics GP.”

 

SQL Server Upgrade

Extended support for SQL Server 2016 will end in July 2026. To maintain the stability and security of your environment, we recommend planning a migration to SQL Server 2022, which is fully compatible with Dynamics GP 18.7 and later versions.

Source : Dynamics GP Support and Services Blog

 

By keeping your solution up to date and compatible with current environments, you help protect your data, prevent service interruptions, and ensure continued performance.

Our specialists can assist you with updating Dynamics GP and related infrastructure to maximize the reliability of your environment.

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