WSUS Configuration Manager failed to subscribe to update categories and classifications on WSUS Server "%1".%12 Possible ...

%11WSUS Configuration Manager failed to subscribe to update categories and classifications on WSUS Server "%1".%12

Possible cause: WSUS Server version 3.0 SP2 or above is not installed or cannot be contacted.
Solution: Verify that the WSUS Server version 3.0 SP2 or greater is installed. Verify that the IIS ports configured in the site are same as those configured on the WSUS IIS website.%0