Quote Originally Posted by rich_tech View Post
One thing I would say also - check the server / machine that the Key Management Sservice is installed and enabled through the kms server's firewall settings, it doesnt enable them by default (or at least didnt when I made my KMS server), I overlooked that on site here and spent an hour when I was doing it wondering why the IT Suite I had built up as 7 refused to authenticate anything, despite being over the 25 machine limit, once I changed that setting it insta-registered the entire room.

Its also worth getting hold of the VAMT stuff from MS as well, they can help you in a more user friendly environment than the powershell when checking things like activations.
it dosent open fw holes itself i did that gotcha a few weeks back