Group: microsoft.public.exchange.setup
From: Robert Gordon
Date: Monday, October 22, 2007 5:47 PM
Subject: Running 32-bit Exchange 2003 SP2 on 64-bit Windows Server 2003 R2?

Are there any gotchas to running Microsoft Exchange 2003 Enterprise (32
bit version) on Windows Server 2003 R2 64-bit? And is it better to run
64-bit Server on a true 64 bit CPU like an Opteron, or is it OK to run
it on a CPU with 64 bit extensions, like an Intel Xenon Dempsey CPU?