Teredo is not in the Device Manager list of hardware

July 2023 · 4 minute read

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    • Problems with your Teredo Tunnelling Device are usually serious enough to affect your communication with other systems and consequently, your workflow. 

    When such issues occur, like with many device issues on most Windows computers, it is usually an indication of misconfiguration. 

    Usually, the fix is simple and easy. 

    What do I do if Teredo is missing from the Device Manager list?

    1. Install the Teredo Adapter manually 

  • Start by clicking on the Windows key + R to open a dialogue box. 
  • Type devmgmt.msc. open runbox
  • Click on Network Adapters and then click on Action. device manager
  • Add Legacy Hardware. This will open the Add hardware dialogue box and click Next. hardware wizard
  • Check the Install Hardware that I manually select from a list and click Next. Hardware installation wizard
  • Click on Microsoft and then Microsoft Teredo Tunneling Adapter on the right side. Click Next and finish.
  • Now go back to your device manager and click View. click-view
  • Select Show hidden devices. Show hidden devices
  • Double click on Network adapters to see if the Teredo Tunneling adapter is available. 

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    2. Use CMD to re-enable the Teredo adapter

  • Start by clicking the Windows key + R.
  • Type cmd into the dialogue box. run-box-cmd
  • Another dialogue asking you to allow this app to make changes on your device, and click Yes. Command prompt
  • Type the following command in the terminal netsh interface Teredo set state disable
  • Restart your computer.
  • Once done, start by running cmd as an administrator. Run CMD as admin
  • Type the following command in the terminal netsh interface Teredo set state type=default.
  • Start your Run box again to access the Device Manager.
  • Type devmgmt.msc and click Ok. open runbox
  • Click View to show hidden files. Show hidden files
  • Double click on Network Adapters to see if the Teredo Tunneling adapter is available.

    • 3. Check Your Registry Settings

  • Start by clicking the Windows key + R.
  • Type cmd into the dialogue box. run-box-cmd
  • It will probably open another dialogue asking you to allow this app to make changes on your device. Click Yes. 
  • Type the following command in the terminal: reg query HKLM\System\CurrentControlSet\Service\iphlpsv\Teredo
  • If you see Type EG_DWORD 0x4 is present on your command prompt terminal, your Teredo is disabled on your computer. You can enable it by typing the following command: netsh interface Teredo set state type=default
  • If you don’t see Type EG_DWORD 0x4, type the following command in your terminal:  HKLM\System\CurrentControlSet\Services\TcpIp6\Parameters
  • Check if the value is 0x8e for the example DisabledComponents REG_DWORD 0X8e. It means that the adapter is disabled on your computer.
  • Activate it by typing the using this command: reg add HKLM\System\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0x0
  • If the value shows 0x0, i.e. DisabledComponents REG_DWORD 0x0, go back to the device manager through steps 1-3, click View, and select Show hidden files. 
  • Double click on Network Adapters and see if Teredo is present. 

    • This should fix your Teredo issues and help you use the software as you wish. 

    If you are having problems downloading the Teredo adapter to your Windows machine, then consider checking out our guide for more information. 

    Also, if you have any more solutions you might want to share, feel free to share them with us in the comment section. 

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