Set Teredo Client Port: registry value Teredo_ClientPortComputerHKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition
- Policy ID
- Teredo_Client_Port
- 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 › TCPIP Settings › IPv6 Transition Technologies
Registry
Teredo_ClientPort
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- -
- Value type
- REG_DWORD
- Required
- true
- Minimum value
- 0
- Maximum value
- 65535
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\TCPIP\v6Transition] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "Teredo_ClientPort"=dword:<enter value>
CMD
:: Value names and types follow the ADMX. Replace <enter value> below with your own data reg add "HKLM\Software\Policies\Microsoft\Windows\TCPIP\v6Transition" /v "Teredo_ClientPort" /t REG_DWORD /d "<enter value>" /f
PowerShell
# Value names and types follow the ADMX. Replace <enter value> below with your own data New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\TCPIP\v6Transition' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\TCPIP\v6Transition' -Name 'Teredo_ClientPort' -PropertyType DWord -Value '<enter value>' -Force | Out-Null