Microsoft released the first public test build 18917 of Windows Server 20H1, also named Windows Server vNext.

This Windows Insider Preview is also named Windows Server vNext.

It is a feature update for Windows Server.

It is the first time that Microsoft releases a preview for the 20H1 development branch.

However, it should be a minor update.

Besides, users can now tag VMs on a Hyper-V server.

These tags are saved on the Hyper-V host server and can be accessed by other admins.

Still, the performance of virtual machines tool is also greatly improved.

The page load time in the virtual machines tool has been reduced.

The Windows Server build 18917 also makes some improvements to Azure integration functionality.

Furthermore, users can now switch between multiple Azure accounts.

Windows Admin Center is the graphical tool for managing servers.

This new tool can record the browsing session, record the times for each request and page load.

Through this feature, users may be able to find some chances to improve the performance.

Windows Admin Center preview 1906 also lets users select individual Windows updates to install.