Route all traffic through the internal network: registry value Force_TunnelingComputerHKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition

Policy ID: NC_ForceTunneling
Scope: Computer Configuration
Supported on: At least Windows Server 2008 R2 or Windows 7
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Network › Network Connections

Registry

Force_Tunneling

REG_SZComputer

HKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition Current key

Enabled value: Depends on the option value
Element: Select from the following states:

Options
Item	Stored value
Enabled State	Enabled
Disabled State	Disabled

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\TCPIP\v6Transition]

; Options (use only one)
; Enabled State
"Force_Tunneling"="Enabled"
; Disabled State
"Force_Tunneling"="Disabled"

CMD

:: Options (use only one)

:: Enabled State
reg add "HKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition" /v "Force_Tunneling" /t REG_SZ /d "Enabled" /f
:: Disabled State
reg add "HKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition" /v "Force_Tunneling" /t REG_SZ /d "Disabled" /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\TCPIP\v6Transition' -Force | Out-Null

# Options (use only one)
# Enabled State
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\TCPIP\v6Transition' -Name 'Force_Tunneling' -PropertyType String -Value 'Enabled' -Force | Out-Null
# Disabled State
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\TCPIP\v6Transition' -Name 'Force_Tunneling' -PropertyType String -Value 'Disabled' -Force | Out-Null