Dear all I have setup a lab enviroment with two W3K R2 Enterprise x64 VMs and I have setup one VM as the AD server, and I have configured other VM to installed EX03 Enterprise, however when I started the Ex03 Ent install I got an error "this version of exchange has a known compatibility issue with this version of windows" are there any online resources that show all the different versions of windows 2003 and exchange 2003...

Hello, Exchange 2003 requires 32bit version from Windows: http://technet.microsoft.com/en-us/library/cc164322(EXCHG.65).aspxBest regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.