Turn off auto-restart notifications for update installations: registry value SetAutoRestartNotificationDisableComputerHKLM\Software\Policies\Microsoft\Windows\WindowsUpdate

Policy ID: AutoRestartNotificationDisable
Scope: Computer Configuration
Supported on: Windows Server 2016 through Windows Server 2022, or Windows 10
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Update › Legacy Policies

Registry

SetAutoRestartNotificationDisable

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate Current key

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate]

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

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "SetAutoRestartNotificationDisable" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "SetAutoRestartNotificationDisable" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'SetAutoRestartNotificationDisable' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'SetAutoRestartNotificationDisable' -PropertyType DWord -Value 0 -Force | Out-Null