Originally Posted by kjarrodc
From my understanding, it's how authorization has been changed. When you add a AD group in 4.1, it would added as a SQL user. With 5.0, all of the added admin users appear to be added to a SQL table.
I'm not positive on this but i think this has to do with DB mirroring. If the DB fails over, the users wouldn't failover in 4.1 because they are specifically listed as SQL users which resides on the SQL instance and not in the actual DB. now that they are in the actual DB that would failover as well.