Windows Server Evaluation: Convert and activate to fully licensed editions
#Product affected / related
Windows Server 2012 or higher
End user not able to use corporate or OEM serial numbers on Eval. Edition
1. You need to establish your exact currently installed version. From a elevated command prompt, run the following command:
DISM /online /Get-CurrentEdition
2. Running the following command with your license key. Delete "Eval"from edition.
DISM /online /Set-Edition:ServerStandard /ProductKey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /AcceptEula