So, question about KMS activation, as it relates to Windows 7. We already have a KMS server which activates Windows 2008R2 servers. Works great. So, I want to have a few Windows 7 machines I am ...

OK, I've got a 2008 standard box (not R2) with a KMS host key installed and activated. "slmgr /dli" on the server reports that it is using our VOLUME_KMS_B KMS key. It's activated, happy, good to go.

When you try to upgrade your computer to Windows 11/10, you receive Windows Activation error 0xC004F074; then the cause could be due to support version mismatch ...