Forwarding is Disabled on the DirectAccess Teredo Server

Recently while working with a customer to configure Windows Server 2012 R2 DirectAccess I encountered an issue with Teredo failing after enabling multisite. The remote access management console reported the following error:

Teredo: Not working properly
Error: Forwarding is disabled on the Teredo server.

Forwarding is Disabled on the DirectAccess Teredo Server

The resolution is simple enough. Enable forwarding on the Teredo interface! To do this we’ll need to identity the interface index of the Teredo Tunneling Pseudo-Interface and then enable forwarding using netsh.exe. Open an elevated command prompt and issue the following command:

netsh interface ipv6 show interface

Forwarding is Disabled on the DirectAccess Teredo Server

Make a note of the Teredo tunneling interface index and then enable forwarding on this interface by issuing the following command:

netsh interface ipv6 set interface  forwarding=enabled

Forwarding is Disabled on the DirectAccess Teredo Server

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2 Comments

  1. Jeff Rountree

     /  July 13, 2016

    Thanks for the tip! I just had this Teredo issue on a DirectAccess server (2008) we moved and changed public IPs on. I had to actually disable, re-enable then turn on forwarding for this to work:

    – set-daserver -teredostate disabled
    – set-daserver -teredostate enabled
    – netsh interface ipv6 set interface [interface id] forwarding=enabled

    Reply

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