SOLVED: How To Upgrade Windows Server 2022 Evaluation to Full Edition

UPDATE July 19 2023: This article is still relevant and should still work, but if you are having problems we have a newer much more comprehensive article here: How To Easily Convert Windows Server Evaluation To Standard / Datacenter

If you try to convert / upgrade Windows Server Evaluation to a licensed full edition using the normal command line or the CHANGE KEY GUI, you will see errors like: The product key you entered didn’t work, Check the product key and try again or enter a different one

Fortunately, there is an easy fix. You have to change Windows Server Eval editions to a production licensed versions of Standard or Data Center:

1. Launch a PowerShell as an Administrator
2. Type dism /online /get-currentedition and press ENTER
3. Type dism /online /get-targeteditions and press ENTER
4. Type dism /online /set-edition:serverstandard /productkey:<KEY-KEY-KEY-KEY-KEY> /accepteula and press ENTER