I have 1(one) DC server windows 2000 advanced server and 1 (one) member server as Exchange server 2000. how to can build again member server to new server exchange server 2000 the same configuration with old exchange server 2000 so if old exchange server down, use new exchange server 2000. and user happy with send/receive mail. thanks --------------------------------- Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo.