Windows Server 2003 SP2 vs R2

Is Windows Server 2003 /wSp2 the same as Windows Server 2003 R2? What's the best way to confirm if this machine is running R2 or not?

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I don't think it is. this is what an R2 winver looks like

Here is some info on win2k3 r2 as well. I know it's a wiki but from what I've read it's accurate.
It is not the same thing.  A non-R2 machine doesn't have R2 features.  ;)

Windows Server 2003 R2 Disc 1 is the same as Windows Server 2003 with SP1.
Windows Server 2003 R2 Disc 2 contains R2-specific features.

Windows Server 2003 SP2 can be installed on both R2 and non-R2 machines.
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Damn - too slow with my response!  :)
Lee W, MVPTechnology and Business Process AdvisorCommented:
Go to the System Control Panel.  The General Tab will identify if the server is R2 or not - it should read:

Microsoft Windows Server 2003 R2

If it's R2.

Keep in mind, if they installed the server using R2 media set but did NOT run the second CD on the server, then it will NOT report itself as R2.  R2 technologies are applied only with the second CD.

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R2 is shipped with files in the i386 folder date march of 2006.  If this is what you see,  they are service pack level 1 files.  To the best of my knowledge the R2 CD's aren't shipping with SP2 slimpstreamed.

Look in the i386 folder on disk one of the CD.  If the bulk of the files are 2006,  it is sp1.  If the bulk are Feb of 2007.  It is sp2.
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Windows Server 2003

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