Teredo Is Unable To Qualify. If you see Teredo is unable to qualify on Xbox, you probably won't be able to live chat with your friends online or join in/host any multi-player games. The following parts will elaborate on what.
Think of Teredo as a translator between different versions of the Internet Protocol (IP) Now that you understand what Teredo is and how it works, you can troubleshoot issues that may arise if you experience the "Teredo was unable to qualify" error.
I no longer know what to do, this is my last resort, I have tried everything from the command prompt stuff and legacy hardware I cannot figure out how to install the teredo thing on my computer, all I want to do is use the Xbox app to talk with my friends but not only is teredo unable to qualify server.
If you see Teredo is unable to qualify on Xbox, you probably won't be able to live chat with your friends online or join in/host any multi-player games. Teredo is a network protocol used to establish secure communication between clients and servers and to facilitate connection between devices behind routers that use network address translation (NAT). Both people on the network have this issue and following all the guides to reinstall teredo wont work.