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Allow standby states (S1-S3) when sleeping (plugged in)

Verified with Windows 11 25H2 — updated on July 30, 2026

Windows 11 25H2

Supported on: At least Windows Vista

Path in the GPO console

Computer Configuration\Administrative Templates\System\Power Management\Sleep Settings

Description

This policy setting manages whether or not Windows is allowed to use standby states when putting the computer in a sleep state. If you enable or do not configure this policy setting, Windows uses standby states to put the computer in a sleep state. If you disable this policy setting, standby states (S1-S3) are not allowed.

Registry

HKLM Software\Policies\Microsoft\Power\PowerSettings\abfc2519-3608-4c2a-94ea-171b0ed546ab

Value name: ACSettingIndex

Enabled: ACSettingIndex = 1

Disabled: ACSettingIndex = 0

MDM / Intune (CSP)

./Device/Vendor/MSFT/Policy/Config/Power/AllowStandbyWhenSleepingPluggedIn
Device Since Windows 10, version 1703 [10.0.15063] and later Official mapping (Microsoft Learn)

Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)

Export Builder

BETA

Configure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.

These exports write the registry — this is not a managed GPO.

.reg file

Windows Registry Editor Version 5.00

; Exported from gporais.com
; Policy: Allow standby states (S1-S3) when sleeping (plugged in)
; State: Enabled
; Supported on: At least Windows Vista

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Power\PowerSettings\abfc2519-3608-4c2a-94ea-171b0ed546ab]
"ACSettingIndex"=dword:00000001
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Allow standby states (S1-S3) when sleeping (plugged in)
# State: Enabled
# Supported on: At least Windows Vista

$path = 'HKLM:\Software\Policies\Microsoft\Power\PowerSettings\abfc2519-3608-4c2a-94ea-171b0ed546ab'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'ACSettingIndex' -Value 1 -Type DWord

Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.

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