Server 2012 – install Disk Cleanup feature
Server 2012 and 2012 do not have Disk Cleanup feature installed as default.
We can see how the Disk Cleanup is missing here:
Lets install the feature using PowerShell, as it is much faster than the GUI based method:
Restart the server, when prompted for it, as shown above. Do it using PowerShell:
Note: There will be no prompt if you are sure. The server will reboot immediately after executing the command shown below.
Disk Cleanup now shows up in Disk Properties.
Disk Cleanup starting up.
We can now use Disk Cleanup to remove those old Windows Update files, and other pesky items.