The official blog for Windows Server Essentials and Small Business Server support and product group communications.
The official announcement has come out that the next versions of Exchange and SBS will be 64-bit only. I'm really excited about this - most of the new server hardware deployed today is 64-bit (and virtually all of the OEM offerings are), so there will be a good number of customers ready to take advantage of this. One thing to be aware of in our space, however, is that this means your next upgrade will be a migration. The performance enhancements, especially in terms of I/O reduction in Exchange, will mean that this next generation of software and hardware will be significantly faster where it counts - database manipulation, search, indexing.
From the article:
As part of its commitment to 64-bit computing, Microsoft has been delivering products that are optimized for 64-bit, including the newly released SQL Server™ 2005, Visual Studio® 2005 and Virtual Server 2005 R2. To help customers take full advantage of the power of 64-bit computing, products including Microsoft® Exchange Server “12,” Windows Compute Cluster Server 2003, Windows Server™ “Longhorn” Small Business Server, and Microsoft’s infrastructure solution for midsize businesses, code-named “Centro,” will be exclusively 64-bit and optimized for x64 hardware.
I've seen a couple of posts recently that make me thing that folks have missed the headlines so I'll