Might be related to this: Catalina 10.15.3 Update Breaks AD Domain Users
Admin & sudo Access After updating to 10.15.3, AD groups with local
admin access breaks. One fix is to reapply the AD groups that require
We have a similar setup (though not quite as old as 10.6.8!) and
updating the catalog paths/apache conf for each new OS continues to
mirror updates for all OS versions so far including Catalina. In the SUS
settings do you have it set to mirror automa...