Two issues with our WSUS

  1. Some of our Servers (2008r2/2012r2) and Win 7 got error 8000FFFF when installing security updates from WSUS. For most of servers and desktops are just working fine.

  2. From WSUS report, I can see the updates have been installed on a Win 7, but when I check it manually, I dont see it from update history or installed updates.

Any idea please?


Issue fixed.


  • 1
    Updated my post. Fixed – Root Loop May 16 at 19:47

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