Okay, you knew it the moment you performed it : don’t upgrade your existing server install to server 2012. You knew it but you did it ! So now you’re stuck with approx 20 Gb windows.old
No worries just delete it …
But are you sure it can be removed ? 🙂
Let’s remove it using the cleanup wizard.
Unfortunately in server 2012 the cleanup wizard is no longer available in Server 2012. Not …
Just add the desktop experience feature using powershell :
And there’s the wizard
Now when running we see that some additional space can be recovered by selecting the previous windows installations feature.