Microsoft Chat: registry value {D6526FE0-E651-11CF-99CB-00C04FD64497}UserHKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls

Policy ID: Microsoft_Chat
Scope: User Configuration
Supported on: At least Internet Explorer 5.0
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Administrator Approved Controls

Registry

{D6526FE0-E651-11CF-99CB-00C04FD64497}

REG_DWORDUser

HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls Current key

Checked: 0
Unchecked: 1
Element: MSChat Control
Value type: REG_DWORD

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls]

; Options (use only one)
; Checked
"{D6526FE0-E651-11CF-99CB-00C04FD64497}"=dword:00000000
; Unchecked
"{D6526FE0-E651-11CF-99CB-00C04FD64497}"=dword:00000001

CMD

:: Options (use only one)

:: Checked
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls" /v "{D6526FE0-E651-11CF-99CB-00C04FD64497}" /t REG_DWORD /d 0 /f
:: Unchecked
reg add "HKCU\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls" /v "{D6526FE0-E651-11CF-99CB-00C04FD64497}" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls' -Name '{D6526FE0-E651-11CF-99CB-00C04FD64497}' -PropertyType DWord -Value 0 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\AllowedControls' -Name '{D6526FE0-E651-11CF-99CB-00C04FD64497}' -PropertyType DWord -Value 1 -Force | Out-Null