If someone receives a message that Windows is not activated or licensed, there is a command that can be ran.


  1. Open command prompt as administrator
  2. Type in slmgr.vbs /Rearm
  3. Press Enter
  4. Once the succeed message appears, restart the computer.


Go into the system and there should now be a product ID being pulled from the KMS server.


Note: this can be ran 6 times only. If this command has been run more than that, you will receive an message and will need to reimage the machine.

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If the above command results in a permission denial message, run the following as an admin in the command prompt (one by one):

  1. Ran gpupdate \force \sync
  2. slmgr.vbs /Rearm (all as admin).
  3. Restarted and the windows activation message goes away.