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January 28, 2020
PC

Announcing Windows Server vNext Insider Preview Build 19551

Hello Windows Insiders!

Today we are pleased to release a new Insider preview build of the Windows Server VNext Semi-Annual Channel Datacenter and Standard editions.

What’s New

This build includes a fix that enlightens National Language Support (NLS) components to be container-aware. NLS state is now instanced per container. This fix addresses some scenarios where a container OS components attempts to access data that is unavailable in the container due to instancing.

Available Content

  • Windows Server vNext Semi-Annual Preview The Server Core Datacenter and Standard Editions are available in the 18 supported Server languages in ISO format and in VHDX format in English only.
    • Matching Windows Server Core App Compatibility FoD Preview
    • Matching Windows Server Language Packs

Symbols are available on the public symbol server – see Update on Microsoft’s Symbol Server blog post and Using the Microsoft Symbol Server.

Containers: For more information about how to obtain and install Windows Server containers and Insider builds, click here.  Quick start information, here.

Keys: The following keys allow for unlimited activations of Windows Server Semi-Annual Channel Previews

  • Server Standard: V6N4W-86M3X-J77X3-JF6XW-D9PRV
  • Server Datacenter: B69WH-PRNHK-BXVK3-P9XF7-XD84W

The Windows Server Preview will expire July 31st, 2020.

How to Download

Registered Insiders may navigate directly to the Windows Server Insider Preview download page.  See the Additional Downloads dropdown for Windows Admin Center and other supplemental apps and products. If you have not yet registered as an Insider, see GETTING STARTED WITH SERVER on the Windows Insiders for Business portal.

We value your feedback!

The most important part of a frequent release cycle is to hear what’s working and what needs to be improved, so your feedback is extremely valued. For Windows Server, use your registered Windows 10 Insider device and use the Feedback Hub application. In the app, choose the Windows Server category and then the appropriate subcategory for your feedback. In the title of the Feedback, please indicate the build number you are providing feedback as shown below:

[Server #####] Title of my feedback

See Share Feedback on Windows Server via Feedback Hub for specifics. We also encourage you to visit the Windows Server Insiders space on the Microsoft Tech Communities forum to collaborate, share and learn from experts.

For Windows Admin Center, Send us feedback via UserVoice. We also encourage you to visit the Windows Admin Center space on the Microsoft Tech Communities.

Terms of Use

This is pre-release software – it is provided for use “as-is” and is not supported in production environments. Users are responsible for installing any updates made available from Windows Update.   All pre-release software made available to you via the Windows Server Insider program are governed by the Insider Terms of Use.

Thanks,
BLB