I'm planning a 6.0 to 7.2 TR Upgrade. The 6.0 Loggers are the domain controllers for the 6.0 domain. The 7.2 servers are going to be in the corp domain, not the 6.0 domain. The OUs required for 7.2 are already set up in the corp domain. What is unclear to me from the Upgrade Guide is if I need to migrate AD roles from the 6.0 domain controllers to the corp domain controllers and then demote the Domain Controllers on the 6.0 domain? The Guide states it's required for a Common Ground and may be necessary for a TR.
I have this problem too.