HI, I have virtual server 2007 where I installed windows 2003 along with exchsrv2003 working fine no issue now I wan to upgarde itto exchsrvr 2007 what are the steps I have to follow.biswajeet

In-place upgrade is not possible directly on the same virtual machine, install another virtual machine as member server of the same domain, install Exchange 2007 and move all data and settings across... Check the series of articles at MSExchange.org... Transitioning from Exchange 2000/2003 to Exchange Server 2007 (Part 1) http://www.msexchange.org/tutorials/Transitioning-Exchange-2000-2003-Exchange-Server-2007-Part1.htmlAmit Tank | MVP Exchange Server | MCITP: EMA | MCSA: M | http://ExchangeShare.WordPress.com