64 Bit Only Windows Server™ “Longhorn” Small Business Server
Published Apr 04 2019 12:56 PM 70 Views
First published on TechNet on Nov 15, 2005
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.

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