I'm trying to activate Windows 2008 Server in Amazon EC2 as described here: https://forums.aws.amazon.com/message.jspa?messageID=185874#185874 I'm trying these two amazon addresses, for my server's region: ec2-174-129-233-152.compute-1.amazonaws.com ec2-174-129-233-141.compute-1.amazonaws.com I get success when I run: slmgr.vbs /skms ec2-174-129-233-152.compute-1.amazonaws.com The I get a 0xC004F039 error upon running: slmgr.vbs /ato slmgr.vbs /dli shows: Registered KMS [...] read more