Dear All,I have exchange 2003 and windows 2003 domain controller.Recenlty I have installed Additonal Domain Controller and marked as a GC.When I go to Directory Access Tab in exchange I am not able to see my new ADC.I add the adc manually then exchange stops working. As per the events on adc it successfully promoted and GC and added to site.Please help me resolve the issue.Abhishek

Can you try rebooting the Exchange and then the new ADC?Try restarting System Attendant service on exchange. Raj

Run the /DomainPrep on the newly created GC and then replicate the changes. Restart SA service on Ex2003 Similar Case:- http://social.technet.microsoft.com/Forums/en-US/exchangesvrgeneral/thread/a908baa1-3ba1-4dc3-9197-ee75bbef9350/Vinod |CCNA|MCSE 2003 +Messaging|MCTS|ITIL V3|