Moves to x64 Moves to x64

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If you're interested to read about Microsoft IT's migration of to the Windows x64 architecture, then check out their white paper. The paper is actually written by the operations team for Here's an excerpt from the conclusion:

After completing the transition to the x64-based platform, the memory limitations that the operations team had been struggling with for years evaporated. The resulting benefits of the elimination of the memory contention problems will allow to continue to set the industry standard for availability while greatly increasing both current end-user performance and future capacity. The new platform also enables the next wave of 64-bit Web applications written in ASP.NET 2.0 by means of the 64-bit-capable .NET Framework 2.0. The performance of these applications running in a native 64-bit environment is expected to be even better than that of 32-bit applications running on the x64 platform.


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  • My company has been developing on Windows 64-bit for some eighteen months and more recently running our 64-bit website (which use ASP.NET 2 and true 64-bit managed and unmanaged code) on our 64-bit server.

    I have to say it has performed excellently throughout even during the beta stage; the uptime is very impressive and of course the performance is measurably greater than 32-bit counterparts.

    This operating system has tremendous potential and our 64-bit Persistore beta release performs very well on this 64-bit OS. This is a superbly engineered OS and Microsoft's successful migration clearly demonstrates this.