http://blogs.technet.com/robse/archive/2009/04/15/re-exchange-2010-32bit-beta-version.aspxI just found this out for a client: Apparenetly we will NOT be having a 32bit version - documentation has not been updated from this linke....That said I'm sure the product group will prove me wrong and release a 32bit version.... rs http://technet.microsoft.com/en-us/library/bb232170(EXCHG.140).aspxen-USCommunityServer 2.1 SP1 (Build: 61025.2)