Can't add Windows 8 KMS key to KMS server

[AWS]

[SIZE=x-small]
I get the error below each time I try to add one of our Windows 8 KMS keys. I installed this update and followed the kb article:
http://support.microsoft.com/kb/2757817

Installation of the Proof of Purchase failed. 0xC004F015
Partial Pkey=X3B5F
ACID=24259a22-3bf0-44af-a68b-1b858bce1894
Detailed Error[?]

Please advise. If this isn't the correct forum, please move accordingly.
Thank you.
[/SIZE]

View the full article