Set Teredo Client Port

This policy setting allows you to select the UDP port the Teredo client will use to send packets. If you leave the default of 0, the operating system will select a port (recommended). If you select a UDP port that is already in use by a system, the Teredo client will fail to initialize.

If you enable this policy setting, you can customize a UDP port for the Teredo client.

If you disable or do not configure this policy setting, the local host setting is used.

Supported on: At least Windows 7

The setting allows you to customize the Teredo client port

The range is 0 to 65535. Default (recommended) is 0 which is to let the local system pick the port.

Registry PathSoftware\Policies\Microsoft\Windows\TCPIP\v6Transition
Value NameTeredo_ClientPort
Default Value0
Min Value0
Max Value65535


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