Diffs between Windows Server 2008 and R2? For .NET Services?

We are sizing the additional effort of running our old .NET 2.0 application, using SOAP and WSE 3.0 on

1) Windows Server 2008
2) Windows Server 2008 R2

What kinds of changes were there in R2? How might they impact .NET applications?

Web services?

We also use WinForms apps as clients.

newbiewebSr. Software EngineerAsked:
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2008, besides being available as 32 bit and 64 bit versions, are based on the kernel used by Vista. 2008 r2 is only available as a 64 bit version, and the kernel is Windows 7 based.

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Windows Server 2008

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