Display options for update notifications: registry value SetUpdateNotificationLevel and 2 moreComputerHKLM\Software\Policies\Microsoft\Windows\WindowsUpdate

Policy ID: UpdateNotificationLevel
Scope: Computer Configuration
Supported on: At least Windows Server 2019, or Windows 10 Version 1809
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Update › Manage end user experience

Registry

SetUpdateNotificationLevel

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
"SetUpdateNotificationLevel"=dword:00000001
; Disabled
"SetUpdateNotificationLevel"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "SetUpdateNotificationLevel" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "SetUpdateNotificationLevel" /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 'SetUpdateNotificationLevel' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'SetUpdateNotificationLevel' -PropertyType DWord -Value 0 -Force | Out-Null

UpdateNotificationLevel

REG_DWORDComputer

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

Enabled value: Depends on the option value
Element: Specify the update notifications display options :

Options
Item	Stored value
0 (default) – Default OS Windows Update notifications	0
1 – Disable all notifications, excluding restart warnings	1
2 – Disable all notifications, including restart warnings	2

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Options (use only one)
; 0 (default) – Default OS Windows Update notifications
"UpdateNotificationLevel"=dword:00000000
; 1 – Disable all notifications, excluding restart warnings
"UpdateNotificationLevel"=dword:00000001
; 2 – Disable all notifications, including restart warnings
"UpdateNotificationLevel"=dword:00000002

CMD

:: Options (use only one)

:: 0 (default) – Default OS Windows Update notifications
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "UpdateNotificationLevel" /t REG_DWORD /d 0 /f
:: 1 – Disable all notifications, excluding restart warnings
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "UpdateNotificationLevel" /t REG_DWORD /d 1 /f
:: 2 – Disable all notifications, including restart warnings
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "UpdateNotificationLevel" /t REG_DWORD /d 2 /f

PowerShell

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

# Options (use only one)
# 0 (default) – Default OS Windows Update notifications
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'UpdateNotificationLevel' -PropertyType DWord -Value 0 -Force | Out-Null
# 1 – Disable all notifications, excluding restart warnings
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'UpdateNotificationLevel' -PropertyType DWord -Value 1 -Force | Out-Null
# 2 – Disable all notifications, including restart warnings
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'UpdateNotificationLevel' -PropertyType DWord -Value 2 -Force | Out-Null

NoUpdateNotificationsDuringActiveHours

REG_DWORDComputer

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

Checked: 1
Unchecked: 0
Element: Apply only during active hours
Value type: REG_DWORD

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Options (use only one)
; Checked
"NoUpdateNotificationsDuringActiveHours"=dword:00000001
; Unchecked
"NoUpdateNotificationsDuringActiveHours"=dword:00000000

CMD

:: Options (use only one)

:: Checked
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "NoUpdateNotificationsDuringActiveHours" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate" /v "NoUpdateNotificationsDuringActiveHours" /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)
# Checked
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'NoUpdateNotificationsDuringActiveHours' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WindowsUpdate' -Name 'NoUpdateNotificationsDuringActiveHours' -PropertyType DWord -Value 0 -Force | Out-Null