Allow applications to prevent automatic sleep (plugged in)
- Policy ID
- AllowSystemPowerRequestAC
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- System › Power Management › Sleep Settings
Description
This policy setting allows applications and services to prevent automatic sleep.
If you enable this policy setting, any application, service, or device driver prevents Windows from automatically transitioning to sleep after a period of user inactivity.
If you disable or do not configure this policy setting, applications, services, or drivers do not prevent Windows from automatically transitioning to sleep. Only user input is used to determine if Windows should automatically sleep.
Registry
ComputerHKEY_LOCAL_MACHINE
HKLM\Software\Policies\Microsoft\Power\PowerSettings\A4B195F5-8225-47D8-8012-9D41369786E2 View registry values
- ACSettingIndexREG_DWORD