How to Fix Microsoft Teredo Tunneling Adapter Missing

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?

It is software that acts as a communicator between IPv4 and IPv6 versions of the internet protocol allowing Windows PC users to work with them. In simple words, regardless of the IP address the site uses, you will be able to access it.

When this adapter goes missing from the PC, you face connectivity issues. Don’t worry, there are different ways to fix this problem. In this guide, you’ll learn them and will be able to fix Microsoft Teredo Tunneling Adapter that has a driver problem issue.

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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 Using the tool means you can update almost all outdated drivers without providing any information.

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

Best Ways To Fix Microsoft Teredo Tunneling Adapter Missing

Below we explain three best ways to fix Microsoft Teredo Tunneling Adapter Windows 7 issue. Walk your way through each step and fix Microsoft Teredo Tunneling Adapter that has a driver problem.

Method 1 – Update and Install Teredo Adapter Through Device Manager

The first way to fix the Teredo Tunneling Adapter 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 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, the Add legacy hardware option will be visible.

device manager

3. Click Next.

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

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

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

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

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

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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 PC.
5. After the PC restarts, run 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

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

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

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 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 type the following command: netsh interface Teredo set state type=default

cmd

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

admin command prompt

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

cmd long command

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

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Additional Tip – Update Driver Using Advanced Driver Updater

If none of the steps have worked so far, 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 to Microsoft Teredo Tunneling Adapter Windows 7 problem.

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

ADU Scan
4. Let the driver updating tool scan the system and list outdated drivers.
5. Review scan results and update outdated drivers. FREE users will 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.

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

Wrap Up –

Using these three different ways, you can fix Teredo Tunneling Adapter, issues and avoid facing networking issues on the PC. All three methods are effective, and they help fix Microsoft Teredo Tunneling Adapter missing 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.

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About The Author

Preeti Seth
Preeti Seth

A UX writer who loves explaining technical details in a clear, crisp, and concise manner. She loves writing about technical troubleshooting, How-To's, product reviews, etc. In her free time, she loves reading, meditating, and traveling.

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