I think I finally got my Active Directory up and running but it is running in mixed mode. I still have 2 BDC running and one of the BDC is also running Exchange 5.5. If I change my Domain controller to native mode, am I going to have any problem? I'm not too sure I understand the consequences of switching to full native mode. Thanks for any advise Vince *********************************************** This Weeks Sponsor: triCerat Inc. triCerat introduces RegSet. Registry Administration Simplified. http://www.triCerat.com ************************************************ For Archives, to Unsubscribe, Subscribe or set Digest or Vacation mode use the below link. http://thethin.net/citrixlist.cfm