Motivation:

• You installed Windows Server 2022 Evalution and now want to upgrade to the full edition.
• However, when you tried changing the product key through the Activation settings, you encountered an error.

Solution:

1. Open Command Prompt (Admin).
2. Execute the command below.

   Dism /online /Set-Edition:ServerStandard /ProductKey:XXXX-XXXX-XXXXX-XXXXX-XXXXX /AcceptEula

3. Restart your computer.
4. Open Command Prompt (Admin) again.
5. Execute the commands below.

   slmgr.vbs /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
   slmgr /ato