WSUS Notes

MMC reset error

Error

An unexpected error occurred.
click reset server node to try to connect to the server again

To resolve this issue, delete the WSUS application cache from the location below:

C:\Documents and Settings(user profile)\application data\microsoft\mmc

Client Registry Path

HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU\UseWUServer

WSUS SSL

WSUS has its SSL managed by IIS certs

The files for this update have not been downloaded

I restarted the WSUS service then forced a synchronization in the WSUS MMC panel to resolve this. It took ~10m to download the issue patches