Disallow standby sleep states (S1-S3) when starting from a Windows to Go workspace: registry value SleepComputerHKLM\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem

Policy ID: PortableOperatingSystem_Sleep
Scope: Computer Configuration
Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Portable Operating System

Registry

Sleep

REG_DWORDComputer

HKLM\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem Current key

Enabled value: 0
Disabled value: 1

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem]

; Options (use only one)
; Enabled
"Sleep"=dword:00000000
; Disabled
"Sleep"=dword:00000001

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem" /v "Sleep" /t REG_DWORD /d 0 /f
:: Disabled
reg add "HKLM\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem" /v "Sleep" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem' -Name 'Sleep' -PropertyType DWord -Value 0 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\PortableOperatingSystem' -Name 'Sleep' -PropertyType DWord -Value 1 -Force | Out-Null