http://blogs.technet.com/b/rmssupp/archive/2011/04/08/cross-forest-superusers-how-it-s-done.aspxHeres the scenario: You have two forests we will call ForestA and ForestB. You have an RMS server in each forest, and a two way trust setup between forests. You have a group of users in both forests that need to be able to be SuperUsers in bothen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)