Microsoft has released a new build of the Windows Server Long-Term Servicing Channel (LTSC) Preview. Today's build 25357 is now available to download as an ISO from the Windows Server Insider website along with a VHDX. It contains both the (Windows 11) Desktop Experience as well as a Server Core installation option for Datacenter and the Standard edition. There's also an Azure Edition, but it's only available via virtual machines.

As usual, there's no full changelog between builds to speak of but there is a dedicated blog post. The Windows Server Preview currently is on the same build number as the Windows 11 Insider Canary channel, which might indicate we won't see a new Server version until next year when Windows 12 is expected to be released.

Branding has not yet been updated and remains as Windows Server 2022 in the preview. In addition, Microsoft is encouraging Insiders to give feedback in the Windows Server category and then the appropriate subcategory. The company asks to indicate the build number you are providing feedback on along with the title as shown in the example below:

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

Here is what Microsoft has revealed about the new build:

Known Issues

This build has an issue where archiving eventlogs with "wevetutil al" command causes the Windows Event Log service to crash, and the archive operation to fail. The service must be restarted by executing "Start-Service EventLog" from an administrative command line prompt.

If you are have Secure Launch/DRTM code path enabled, we do not recommend that you install this build.

Available Downloads

Downloads to certain countries may not be available. See Microsoft suspends new sales in Russia - Microsoft On the Issues

• Windows Server Long-Term Servicing Channel Preview in ISO format in 18 languages, and in VHDX format in English only.
• Windows Server Datacenter Azure Edition Preview in ISO and VHDX format, English only.
• Microsoft Server Languages and Optional Features Preview

Keys: Keys are valid for preview builds only

• Server Standard: MFY9F-XBN2F-TYFMP-CCV49-RMYVH
• Datacenter: 2KNJJ-33Y9H-2GXGX-KMQWH-G6H67
• Azure Edition does not accept a key

Symbols: available on the public symbol server – see Using the Microsoft Symbol Server.

Expiration: This Windows Server Preview will expire September 15, 2023.

You can download the build here, and find the official announcement here.