It is called upgrading. Upgrade the OS first, then Exchange. John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: Nobs [mailto:nobs@xxxxxxxxxxxxxx] > Sent: Wednesday, April 21, 2004 11:57 PM > To: [ExchangeList] > Subject: [exchangelist] Implementation solution > > http://www.MSExchange.org/ > > > Need a solution to this implementation design > > Current > > 1. Exchanger server 5.5 running on NT 4 > 2. The NT 4 machine is a secondary domain controller > > Client's request > > 1. Windows 2000 server and Exchange 2003 > 2. Same computer name, IP address as the NT 4.0. Basically same > everything as the old box > 3. I need a strategy as to how to migrate users from NT4 to 2003, if the > name and IP are going to be the same. > 4. It was going be easier if migration was going to be from that machine > to a different site name or machine name. > > Help needed to this design > > > > > ------------------------------------------------------ > List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist > Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp > Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ > ------------------------------------------------------ > Other Internet Software Marketing Sites: > Leading Network Software Directory: http://www.serverfiles.com > No.1 ISA Server Resource Site: http://www.isaserver.org > Windows Security Resource Site: http://www.windowsecurity.com/ > Network Security Library: http://www.secinf.net/ > Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com > ------------------------------------------------------