Disable Auto-Restart after Windows Update

If you often receive alert at 3 in the morning about your lovely Windows servers restart by itself.

Chances are Auto-restart has been set to on on Windows Update configuration and Windows Update is normally scheduled to restart at 3:00a.m. by default.

To disable Auto Restart after Windows Update. You can set it from Group Policy.

Run gpedit.msc

Computer Configuration-> Admin Template->Windows Component-> Windows Update
Enable - No auto-restart with...

You can now have a good night sleep. Zz.zz..