The Turn on the Ability for Applications to Prevent Sleep Transitions (Plugged In) machine setting should be configured correctly. Enables applications and services to prevent the system from sleeping. If you enable this policy setting, an application or service may prevent the system from sleeping (Hybrid Sleep, Stand By, or Hibernate). If you disable this policy setting or do not configure it, users can see and change this setting. Fix: (1) GPO: Computer Configuration\Administrative Templates\System\Power Management\Sleep Settings\Turn on the Ability for Applications to Prevent Sleep Transitions (Plugged In) (2) KEY: HKLM\Software\Policies\Microsoft\Power\PowerSettings\B7A27025-E569-46c2-A504-2B96CAD225A1\ACSettingIndex