Step 2: In Device Manager, click Network adapters and choose Action > Add legacy hardware.

Step 1: Press Win + R to get the Run window, input devmgmt.msc and click OK. When you find Microsoft Teredo Tunneling Adapter isn’t in Device Manager, manually install it to see if it presents.

Fix 1: Install the Teredo Adapter Manually If you don’t have this adapter or you have one but encounter the issue of Teredo not in Device Manager, what should you do? Follow these methods. Part 1: Microsoft Teredo Tunneling Adapter Missing Windows 10 In the following paragraphs, we will show you some fixes based on these 3 situations. A yellow exclamation mark is next to the driver.Microsoft Teredo Tunneling Adapter missing Windows 10.This adapter is so important, but it is not always working well. See a related article: How to Fix the IPv6 Connectivity No Network Access Error Microsoft Teredo Tunneling Adapter Not Working As a translator, it translates IPv4 to IPv6 and vice-versa. To get rid of this situation, Teredo Tunneling appears. But with IPv6 added in, the network connection problem appears. When a computer is only using IPV4, the Internet connection runs smoothly. Tip: To learn some details, refer to this post - Here Is Some Information About IPv4 VS IPv6 Addresses. It brings an uncountable number of addresses. However, as there are more and more persons and less and less available IPv4 addresses, IPv6, Internet Protocol Version 6 (with the format similar to 2001:DB8:0:0:8:0:417A) appears. It is an identity that can be used to communicate with the world over the Internet. IPv4 (with the format similar to 192.168.1.1), an IP protocol, assigns a computer with a unique address. This adapter can act as a translator to interpret these two different IP address schemas, making you access the website you want no matter your PC has an IPv4 or IPv6 address. In a word, it is software that enables your PC to work with both IPv4 and IPv6. What Is Microsoft Teredo Tunneling Adapter Part 2: A Yellow Exclamation Mark Is Next to Microsoft Teredo Tunneling Adapter.Part 1: Microsoft Teredo Tunneling Adapter Missing Windows 10.What Is Microsoft Teredo Tunneling Adapter.

Just try these methods below based on your situation. What is Microsoft Teredo Tunneling Adapter? Is it not working on your Windows 10 PC? Now, you can learn much information about this adapter driver and know how to fix this problem in 3 cases from this post written by MiniTool.

How to install teredo on windows 10