How to Fix Microsoft Teredo Tunneling Adapter Missing

Is Teredo Tunneling Adapter missing from Device Manager? You’ve landed on the right page. This post explains the best ways to fix Microsoft Teredo Tunneling Adapter errors.

What is Teredo Tunneling Adapter?

Microsoft teredo tunneling adapter driver software communicates between IPv4 and IPv6 versions of the internet protocol allowing Windows users to work with them. In simple words, regardless of the site’s IP address, you can access it.

Therefore, you face connectivity issues when the Teredo adapter on Windows 11 goes missing. Fortunately,  there are different ways to fix this problem.

In this guide, you’ll learn about them and will be able to fix the Microsoft Teredo Tunneling Adapter that has a driver problem issue.

How to enable Teredo in Windows 11?

To enable Teredo follow these steps:

1. Press Windows + X and select PowerShell (Admin) from the Quick access menu.

2. Enter netsh interface teredo set state default, command, and press the Enter key.

3. Exit PowerShell and that’s it.

Must Read- How to Fix Microsoft Teams Camera Not Working {SOLVED}

If you are running short on time and don’t want to go through the complete article, try Advanced Driver Updater. It is a powerful tool with millions of driver updates. Using the tool means updating almost all outdated drivers, including Teredo on Windows 11, without providing any information.

To get Advanced Driver Updater, click the download button below:

Best Ways To Fix Microsoft Teredo Tunneling Adapter Missing

Here we explained three ways to solve the problem.

Method 1 – Update and Install Teredo Adapter Through the Device Manager

The first way to fix the issue is to install Teredo Adapter using the Device Manager. To learn how to do that, follow these steps:

1. Press Windows + X > select Device Manager from the context menu.
2. This will open the Device Manager window. Here, click the Action tab > select Add legacy hardware option.

Note: If Add legacy hardware option is missing from the Action tab. You’ll need to click any hardware/software category. After that click, the Action tab and the Add legacy hardware option will be visible.

3. Click Next.

4. Select Install the hardware I manually select from a list (Advanced) > click Next.

5. This will open Add Hardware window > from Common hardware types, select Network adapters.

6. Click Microsoft from the left pane > Microsoft Teredo Tunneling Adapter from the right > Next.

7. To install the adapter, click Next > Finish.
8. Next, click View under Device Manager > Show hidden device.

9. Expand the Network adapters category and see if you can see Microsoft Teredo Tunneling Adapter. If you can, congrats. You need to move on to the next fix if you cannot.

Check This- Windows 11 Keeps Crashing? How To Fix It?

Method 2 – Re-Enable Teredo Adapter

Follow these steps to disable and re-enable Teredo Adapter.

1. In the Windows search bar, type the command prompt.
2. Right-click > Run as administrator.
3. Type the following command and Enter.

netsh interface Teredo set state disable

4. Once the command is executed, reboot the PC.
5. After the PC restarts, run the elevated command prompt (as administrator)
6. Next, type the following command :

netsh interface Teredo set state type=default

7. Press Windows + X > select Device Manager from the context menu
8. Click View > Show hidden devices

9. Double-click Network Adapter and look for the Microsoft Teredo adapter. If it shows up, your problem is fixed. If not, you will need to check Windows registry settings.

Also Read- How To Download & Update Realtek Audio Driver on Windows 11/10

Method 3 – Examine The Registry’s Settings of a Windows

If the above two methods have failed, you need to go to Windows Registry and check if the Teredo adapter is disabled. To do so, follow these steps:

1. Run command prompt as administrator.
2. Type reg query HKLM\System\CurrentControlSet\Service\iphlpsv\Teredo and press Enter key.
3. See if the output includes the following lines.
Type EG_DWORD 0x4
4. If it does, it means the Teredo adapter is disabled. To enable it to type the following command: netsh interface Teredo set state type=default

In case you don’t see the above line, you can type the following command:
reg query HKLM\System\CurrentControlSet\Services\TcpIp6\Parameters

5. Check the value of the following line: DisabledComponents REG_DWORD …
6. If the value is not 0x0, like DisabledComponents REG_DWORD 0x8e, the Teredo adapter is disabled. Type the following command and press Enter to enable the adapter:
reg add HKLM\System\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0x0

7. To overwrite the value type Yes.
8. If the value is 0x0, move on to the next step.
9. Press Windows + X > Device Manager > View > Show hidden devices > double click Network adapters > the Teredo adapter will show up

Must See- How to Recover Unsaved Excel File

Additional Tip – Update Driver Using Advanced Driver Updater

If none have worked, use Advanced Driver Updater to fix the issue. Using it, you can update outdated drivers. Also, before updating the drivers, the tool takes a complete backup of old drivers; this helps restore the driver if anything goes wrong. In addition to this, you can schedule driver scanning. To use Advanced Driver Updater, follow these steps:

1. Download and install Advanced Driver Updater.

2. Launch the best driver for Microsoft Teredo Tunneling Adapter Windows 7 problem.

3. To scan the Windows PC for outdated drivers, click Start Scan Now.

4. Let the driver updating tool scans the system and list outdated drivers.
5. Review scan results and update outdated drivers. FREE users need to click Update Driver next to the driver they want to update. However, if you are a registered user, you can click Update All and update all outdated drivers.

6. Once all the drivers are updated, restart the PC to apply changes.

Fix – Teredo is unable to qualify error

Using these three ways, you can fix Teredo Tunneling Adapter issues and avoid networking issues on the PC. All three methods effectively help fix the missing Microsoft Teredo Tunneling adapter issue. In addition to this, to save time, we suggest using Advanced Driver Updater to update outdated drivers.

We hope you like the information we have shared. Please share your feedback, suggestions, or questions, if any, in the comments section. For any product-related queries, you can send an email to support@systweak.com.