Question: how to do sysprep on windows 2012?
Answer: Manually Using SYSPREP in Windows 2012 VMs and Templates 3 – In the System Preparation Tool Window, set the System Cleanup Action dropdown = Enter System Out of Box Experience (OOBE). check the Generalize box, and set the Shutdown Options to Reboot. 4 – SYSPREP will run the necessary action and restart Windows.