Enabling Windows Update Power Management to automatically wake up the system to install scheduled updates

Specifies whether the Windows Update will use the Windows Power Management features to automatically wake up the system from hibernation if there are updates scheduled for installation. Windows Update will only automatically wake up the system if Windows Update is configured to install updates automatically. If the system is in hibernation when the scheduled install time occurs and there are updates to be applied then Windows Update will use the Windows Power management features to automatically wake the system up to install the updates. Windows update will also wake the system up and install an update if an install deadline occurs. The system will not wake unless there are updates to be installed. If the system is on battery power when Windows Update wakes it up it will not install updates and the system will automatically return to hibernation in 2 minutes.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows -> WindowsUpdate -> AU # AUPowerManagement

  2. The Administrative Template path is:

    Windows Components -> Windows Update


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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