Microsoft has released Windows Server vNext Preview Build 26334 to Windows Server Insiders, providing Desktop Experience and Server Core installation options for Datacenter and Standard editions, Annual Channel for Container Host, and Azure Edition (for VM evaluation only). The preview maintains the branding of Windows Server 2025, and subscribers to Server Flighting will automatically receive this build.
Announcing Windows Server vNext Preview Build 26334
Today we are pleased to release a new build of the next Windows Server Long-Term Servicing Channel (LTSC) Preview that contains both the Desktop Experience and Server Core installation options for Datacenter and Standard editions, Annual Channel for Container Host and Azure Edition (for VM evaluation only). Branding remains, Windows Server 2025, in this preview - when reporting issues please refer to Windows Server vNext preview. If you signed up for Server Flighting, you should receive this new build automatically.
Please note this will be the last Windows Server Insider Preview until January 2025. We look forward to seeing you in the new year!
What's New
Windows Defender Application Control for Business (WDAC)
Windows Defender Application Control (WDAC) for business is a software-based security layer that reduces attack surface by enforcing an explicit list of software that is allowed to run. Introduced with Windows Server 2025, we have provided Microsoft defined ‘default policy’ which can be applied to the server via PowerShell cmdlets, powered by our ‘Security configuration platform called ‘OSconfig’.
To learn more, please review Windows Defender Application Control for Business (WDAC) - Microsoft Community Hub
Windows Admin Center (WAC)
Beginning with build 26252, Windows Server preview customers can download and install Windows Admin Center right from the Windows Server Desktop using the in-OS app that takes care of downloading and guides you through the installation process.
Announcing Windows Server vNext Preview Build 26334 | Microsoft Community Hub
