In some instances activating Windows 2012 fails with error stating that the product key is invalid or is for a different version of Windows.
Here is how to get aroudn that error and quickly activate through PowerShell.
- Right click PowerShell and choose run as Administrator
- Run the following command:
DISM /online /set-Edition:serverDatacenter /ProductKey:IN856-VALID-524SE-RIALN-UMBER /AcceptEula - Reboot
