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.

Additional Information

  1. Registry path is:

    HKEY_LOCAL_MACHINE -> Software -> Policies -> Microsoft -> Windows -> TCPIP -> v6Transition # Teredo_ClientPort

  2. The Administrative Template path is:

    Network -> TCPIP Settings -> IPv6 Transition Technologies


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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