Policy
Turn Off the hard disk (plugged in)
Windows 11 25H2
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista
This policy setting specifies the period of inactivity before Windows turns off the hard disk. If you enable this policy setting, you must provide a value, in seconds, indicating how much idle time should elapse before Windows turns off the hard disk. If you disable or do not configure this policy setting, users can see and change this setting.
Registry values
How enabled and disabled states update the registry.
No explicit registry values are set for enabled or disabled states.
Policy elements
Inputs and configuration options exposed by this policy.
| Element | Type | Registry mapping | Constraints & behavior |
|---|---|---|---|
Turn Off the Hard Disk (seconds): ID EnterDiskACPowerDownTimeOut | decimal | HKLM\Software\Policies\Microsoft\Power\PowerSettings\6738E2C4-E8A5-4A42-B16A-E040E769756E\ACSettingIndex Type REG_DWORD | Range: ? to 4294967295 |
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