Content validation should work of packages even if WMI got automatically repaired.
Make sure that WMI information about packages gets rebuild after a WMI restore, so that Content Validation of packages doesn't fails.
If a server for some reason isn't turn off gracefully, an automatic repair would happen, and thereby all packages information is gone in WMI.
Event ID: 5616
The Windows Management Instrumentation (WMI) repository was successfully re-created by the auto-recovery mechanism.