Sleep, what is that? Sounds like a 4 letter word to me. ;) John T eServices For You "Seek, and ye shall find!" -----Original Message----- From: Stephan Barr [mailto:stephanbarrbdt@xxxxxxxxx] Sent: Saturday, March 04, 2006 1:32 PM To: [ExchangeList] Subject: [exchangelist] RE: Recently added a Exchange 2003 server to the domain and the Exchange 2000 server stops send mail. http://www.MSExchange.org/ Resolved. I had changed the IP address of the Exchange 2003 server and failed to modify the associated record in DNS. This proves sleep is indeed a required attribute of problem solving. Thanks for the reponses.