Configure diagnostic data opt-in change notifications: registry value DisableTelemetryOptInChangeNotificationComputerHKLM\Software\Policies\Microsoft\Windows\DataCollection

Policy ID: ConfigureTelemetryOptInChangeNotification
Scope: Computer Configuration
Supported on: At least Windows Server 2016, Windows 10 Version 1803
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Data Collection and Preview Builds

Registry

DisableTelemetryOptInChangeNotification

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\DataCollection 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\DataCollection]

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

CMD

:: Options (use only one)

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

PowerShell

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

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

DisableTelemetryOptInChangeNotification

REG_DWORDComputer

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

Enabled value: Depends on the option value
Element: -

Options
Item	Stored value
Disable diagnostic data change notifications	1
Enable diagnostic data change notifications	0

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

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

; Options (use only one)
; Disable diagnostic data change notifications
"DisableTelemetryOptInChangeNotification"=dword:00000001
; Enable diagnostic data change notifications
"DisableTelemetryOptInChangeNotification"=dword:00000000

CMD

:: Options (use only one)

:: Disable diagnostic data change notifications
reg add "HKLM\Software\Policies\Microsoft\Windows\DataCollection" /v "DisableTelemetryOptInChangeNotification" /t REG_DWORD /d 1 /f
:: Enable diagnostic data change notifications
reg add "HKLM\Software\Policies\Microsoft\Windows\DataCollection" /v "DisableTelemetryOptInChangeNotification" /t REG_DWORD /d 0 /f

PowerShell

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

# Options (use only one)
# Disable diagnostic data change notifications
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\DataCollection' -Name 'DisableTelemetryOptInChangeNotification' -PropertyType DWord -Value 1 -Force | Out-Null
# Enable diagnostic data change notifications
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\DataCollection' -Name 'DisableTelemetryOptInChangeNotification' -PropertyType DWord -Value 0 -Force | Out-Null