I have one Exchange 5.5 server (NetBIOS name MAIL1 ) in the DMZ (Domain1). I install a new Exchange 2000 (NetBIOS name MAIL2) server in my internal domain (Domain2) All my clients have Microsoft Outlook 2000 and are using MAIL1. I need to change all my user to the new Exchange 2000 server MAIL2 How can I change the Exchange server name MAIL1 to MAIL2 in all my Microsoft Outlook 2000 client without go to each computer ??? Can I change the name off Exchange 2000 server computer MAIL2 to MAIL1 ? Thanks Excuse me for my English