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What are your thoughts on installing a KMS server on a DC? Any drawbacks?

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Another question... does it work on core? – LamonteCristo May 13 '11 at 20:08
up vote 1 down vote accepted

I've done exactly this. As Hyppy said, it's a very low impact application as all it is doing is passing data through. Do be careful of KMS versions, though as there is some variation. I ended up running one on 2003 and another on 2008R2 because of what they each were able to license.

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Can you elaborate on what KMS can license on each platform? Does the latest version not license everything? – LamonteCristo May 13 '11 at 20:07
Microsoft got confusing with it. Office 2007 and 2010 use slightly different KMS as I recall. I'd have to look it up, but I think 2008R2 does it all. – sysadmin1138 May 13 '11 at 20:11
@maker - 2008R2 does it all. – MDMarra May 13 '11 at 20:16

It's not a big deal. Licensing is such a tiny application, and the attack surface is a single port on a service I've never seen a vulnerability for (though you may want to double-check on that). If you can, go ahead and make sure it's 2008 R2 so that Office 2010 KMS/volume licensing is supported.

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