This has been puzzling me for a while and Iím sure Iím missing something really simple! I set up my KMS on a server 2008 r2 machine, as I added new server 2008 r2 machines it activated them fine via KMS. But now Iím adding Windows 7 machines they donít activate! Office 2010 activates no problem. I can see in the event viewer the new Windows 7 machines are commutating with KMS but no activation. Any ideas what Iím doing wrong?