Error code: 0xC004F039
- 0xC004F039：The Software Protection Service reported that the computer could not be activated. The Key Management Service (KMS) is not enabled.
- This error occurs when a KMS request is not answered.
- Troubleshoot the network connection between the KMS host and the client. Make sure that TCP port 1688 (default) is not blocked by a firewall or otherwise filtered.