Teredo tunneling is a pseudo-interface that allows communication between IPv4 and IPv6 devices by encapsulating IPv6 packets in IPv4 packets. This enables the transmission of packets even if the network devices fail to support the IPv6 standard.
Teredo Tunneling Pseudo-Interface missing
Here are a few things you can try to fix the issue. But before you begin, create a system restore point first.
1] Enable TCPIP6 via Registry
The Teredo Tunneling adapter missing error message in Windows 10 could be resolved by changing the TCPIP6 component value to 0. Press Windows + R to open Run. Enter ‘regedit’ in the box and hit OK to open the Registry Editor. In Registry Editor, go to the following address: Double-click ‘Parameters’ and move to the right pane. There, right-click the ‘Disabled Components‘ to Modify its Value. Change the Value data to 0 and click OK to save changes Open Device Manager > Action > Scan for new hardware. Now from the View tab, select Show hidden devices. You will now see that it is present without errors.
2] Re-install Microsoft Teredo Tunneling Adapter
From the WinX Menu, open Device Manager.
If you see a yellow exclamation mark next to Microsoft Teredo Tunneling Adapter, then you need to uninstall Microsoft Teredo Tunneling Adapter – as well as Teredo Tunneling Pseudo-Interface if you see it. Right-click on these two entries and select Uninstall. Next, choose the ‘Action’ menu, and from the list of options displayed, select ‘Add a legacy hardware’.
Next select Network Adapters.
After that, simply follow the onscreen instructions to install the Microsoft Teredo Tunneling Adapter.
3] Enable Teredo client using Command Prompt
Next, open an elevated command prompt and execute the following command one after the other: Press Windows key + x and select Command prompt (Admin). After this, open Device Manager > Action > Scan for new hardware. Now from the View tab, select Show hidden devices. You will now see that it is present without errors. To verify that all is fine, in a CMD window, run the following command: Type client would mean that all is fine – else it will display disabled. Hope this works for you.
