That’s right.. as we already know, when Exchange 2007 was released, a 32-bit version (which was unsupported in production environments) was made available for use in lab environments, for demos etc.

This will not be the case with Exchange 2010 as Microsoft will not be shipping a 32-bit version at all. What now? well.. I’m sure we’ll all agree that this a probably a good thing in the long run, forcing organisations to start seriously considering the deployment of 64-bit servers for things other than Exchange, like, for example DC’s.

It certainly is the start of a interesting journey, hopefully other software vendors will be prompted to start making more of an effort to make their applications 64-bit compliant too, it is, in my opinion, long overdue!