Windows 10: I've been having this issue with Teredo and I uninstalled it but now I can't re-install it.

I go in the device manager, and I have "show hidden devices" checked and Teredo is still not in the legacy hardware. Could anyone show me how to fix this?

submitted by /u/stinkyshoe7
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:)

 

No Teredo installed

Hi Jay,

Thank you for writing to Microsoft Community Forums.

Before we proceed, could you please confirm a few things for me?

1. The make and model of your system?
   
2. The Windows 10 Build you are using?
   

Systems communicate with one another using a certain predefined set of protocols, when systems within a network are using different protocols but are trying to communicate with one another it may require a translator to enable
this communication. This is where the Teredo Tunneling comes in. It facilitates the connectivity between devices behind routers that use network address translation (NAT) and thus enable this communication.

Given that you have already tried to enable the Teredo through the device manager and the netsh command through the command prompt, we have a few more steps that we could try to resolve this issue.

Check and make sure that no VPN client is blocking the Teredo connectivity.

Steps:

Manually enable the Teredo through the registry.

Disclaimer: Important this section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these
steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs.

To take a backup or restore the registry click
here.

Check the iphlpsvc registry path:

1. Right-click the Start icon, type in cmd, Right-click on it and 'Run as administrator'.
   
2. Run the following command from the Admin command prompt: reg query HKLM\System\CurrentControlSet\Services\iphlpsvc\Teredo
   
3. If you find this output: Type REG_DWORD 0x4
   
   You will need to Re-enable Teredo by running the following command from the Admin command prompt: netsh interface Teredo set state type=default
   

Check the TcpIp6 registry path:

1. Right-click the Start icon, type in cmd, Right-click on it and 'Run as administrator'.
   
2. Run the following command from the Admin command prompt: reg query HKLM\System\CurrentControlSet\Services\TcpIp6\Parameters
   
3. If you find the output, and the value displayed is not 0x0. Example: DisabledComponents REG_DWORD 0x8e
   
4. You will need to Re-enable Teredo by running the following command from the Admin command prompt: reg add HKLM\System\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0x0
   

Hope it helps.

Aaron Summith

Microsoft Community - Moderator

 

Teredo adapter missing, cannot install/uninstall

Hello,



Thank you for writing to Microsoft Community Forums.

1. Since when are you facing this issue?
   
2. Which version of Windows 10 you are using currently?
   
3. Were you able to use Teredo adapter previously?
   
4. Do you get any error while using Teredo?
   
5. Have you installed any VPN?
   

Please get back to us with detailed information to assist you further.



Regards,

Prakhar Khare

Microsoft Community – Moderator

 

Teredo Adapters not installed

Hi,

Incorrect configuration setting is one of the possible reason why you're unable to install the Teredo Adapters on your computer. To help you resolve this concern, we suggest that you follow the solutions provided on the link below:

Click here

You may also check out this
link for additional troubleshooting steps.

If the issue persists, we highly recommend that you contact your router manufacturer to help you install the Teredo Adapter on your device.

Kindly notify us with the results.