Microsoft has announced that it will be releasing the next versions of Exchange, and Windows Small Business and Midsized Business Servers for the 64bit computing platforms only.

"We're betting big on 64-bit, but we believe in the right 64-bit for the job...Exchange 12..Longhorn R2, Centro and our small-business Longhorn Edition will be 64-bit only".

Bob Muglia of Microsoft used his keynote address in Barcelona to spotlight the release of the second beta for Windows Compute Cluster edition 2003, announcing that this can be integrated with a customer's existing Active Directory environment.

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