When attempting to open the page for Active Directory Import Rules under Actions tab > Discover> Import Microsoft Active Directory, the following error occurs:
An error occurred while retrieving import rules from the Directory web service.
An error occurred while retrieving import rules from the Directory web service
Corruption of one of the AD Import Rules.
set ProductUninstalled =1
where guid in (
select guid from itemclass
where ClassGuid = 'B2378265-2779-49E6-998D-8BE620B3D9D9' )
This query set all the AD Import Rules as uninstalled or disabled.
Note: Use the query from step 2 to find all the GUIDs that need to have the ProductUninstalled value changed.