Windows Server 2022 build 20215

Windows Server build 20215 is the twelfth Insider Preview of Windows Server Iron and the fourth released on the LTSC format. This build was released to Windows Insiders on 16 September 2020 along with its client counterpart.

Changes

 * The search experience on the taskbar now supports the dark theme.

Bugs

 * Live preview doesn't work for pinned site tabs.
 * The Settings app may crash if you open Manage Disks and Volumes.
 * Some Office applications may either crash or go missing if you update to this build.
 * The Linux kernel is not installed when you use the  in the Windows Subsystem for Linux. To workaround this issue, run   to the latest kernel version.
 * Some WSL 2 distros can give you the error "The remote procedure call failed" on startup.
 * Some virtualization software have a chance of giving you a BSOD with the error code.
 * The vEthernet adapter in WSL2 distros can randomly disconnect itself.
 * You may see generic errors when you install WSL through.