May 19, 2022—KB5015020 (OS Builds 19042.1708) Out-of-band

https://support.microsoft.com/en-us/topic/may-19-2022-kb5015020-os-builds-19042-1708-out-of-band-9b5bd38a-ab3c-4ada-96b0-b754134fcd2a

Windows Server, version 20H2, all editions Windows 10, version 21H1, all editions Windows 10, version 21H2

Highlights

  • Addresses a known issue that might prevent some services from authenticating machine accounts on clients or servers. This issue occurs after you install the May 10, 2022 update on domain controllers.
  • Addresses an issue that might prevent you from installing Microsoft Store apps.

https://docs.microsoft.com/en-us/windows/release-health/status-windows-10-20h2#2826msgdesc
server だけかと思ったら 21H2 も出てた
Microsoft Update カタログから 2022-05 x64 ベース システム用 Windows 10 Version 21H2 の累積更新プログラム (KB5015020)
windows10.0-kb5015020-x64_5a735e4c21ca90801b3e0b019ac210147a978c52.msu
をダウンロード・実行






適用してもしなくても NAS / PC のファイル共有や Microsoft Store の更新に問題ないから適用は 1台のみ