Hi Shukla
About "edition cannot be upgraded" error. It usually just means the product key doesn't match the version you're trying to move to.
Here’s a quick way to fix this:
- Check if it's possible
Open CMD (Admin) and run this first:
dism /online /Get-TargetEditions
If you don't see ServerStandard in the list, the conversion won't work directly.
- The "Fix" Command
If Standard is listed, run this command to force the upgrade (replace the X's with your actual key):
dism /online /Set-Edition:ServerStandard /ProductKey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX /AcceptEula
Don't forget to restart your server after it finishes!
- Still having issues?
Wrong Key: Make sure your key isn't for Datacenter if you're trying to go to Standard.
Volume Keys: If you have a KMS or MAK key, use these instead:
slmgr /ipk <your-key>
slmgr /ato
Firewall: If you're using KMS, make sure port 1688 isn't blocked by your firewall.
Give that a try! If it still fails, just send me the result of that first Get-TargetEditions command and I'll take another look for you.