

Event ID 10021 reports a catalog synchronization warning.
Provides information about recent updates that may cause DCs (domain controllers) to enter a boot-loop.
Guidance on how to set RM WSUS back to the default configuration and reset the WSUS content store.
If you try to manually approve an update, a lengthy error is seen and it will not let you change the approval status.
This is an index article with links to technical and reference articles for WSUS on Community Connect 4 (CC4).
Explains why the list of all updates in the RM Management Console (RMMC) can take time to load on a Community Connect 4 (CC4) network.
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