How to Fix Teredo is Unable to Qualify Error

Teredo is unable to qualify or how to fix Teredo is unable to qualify. Before that let’s know what is teredo? In Computer Network, Teredo is a transition technology, that provides the IPV6 connective to the IPV6 hosts, which are on the IPV6 internet, but there is no native. Teredo is a temporary measure. All IPV6 hosts should have IPV6 connectivity.

Teredo is a networking protocol that used to establish secure connectivity between the Servers and the clients. Teredo is used to facilitate the connectivity between the devices behind the Routers, that uses the NAT(Network Address Translation).

Without Teredo, the IP address or of the teredo is unable to qualify you can do party chat or do multiplayer gamer on the Xbox Live. If you are using IPV6 then you need it. The purpose of the teredo is that it provides the address assignment and host-to-host automatic tunneling for unicast IPV6/IPV4.

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Teredo is Unable to Qualify: Fix

If it says teredo is unable to qualify, it means that your device or a computer is unable to obtain the Ip address. You must remember that the IP address of the teredo is only necessary for the box live party chat and multiplayer feature.

This issue could be frustrating for the players and could block the users from playing multiplayer games on their devices. Don’t be panic, In this article, we find how to fix the error, when teredo is unable to qualify.

Check the Xbox Networking

first what you to do is that we need to check if the system settings of windows10 contain game settings, including the box teredo error. So, need to go to the Settings to need to fix Teredo is unable to qualify. Follow the below steps to do so.

Hold the Windows+I to open the settings window.
Select the gaming and double-click on it.
Then select the Xbox network in the left pane.
In the right pane, make sure that the network connection is connected under connection status.
Under the Xbox live multiplayer, select the “Fix it” button on click on it to fix the teredo is unable to qualify windows10.
Then click on the “Check again” button above the “Fix it button”.

After the you perform above troubleshoot, then you need to restart your computer, and check if the error Teredo is unable to qualify is fixed or not.

Reinstall the teredo adapter

Teredo is hidden on your computer which is installed by default, if your teredo is corrupted or goes under a certain issue, you will face this issue on your computer. In this case, you need to reinstall the hidden teredo adapter, perform the below steps to do so.

Hold the Windows+R to open the Run window. Input cmd and press CTRL+SHIFT+ENTER to Run the command prompt as an administrator.
Type the command “netsh interface Teredo set state disabled” and press enter to disable the adapter.
Exit the command prompt, then Right-click on the start button and choose Device Manager to open it.
Go to the view tab and “select show hidden files”. Now. expand the network Adapters category, right-click the teredo adapter and choose to uninstall it.
After the installation of all the teredo files, then restart your computer and again open the command prompt. Execute the command “netsh interface Teredo set state type=default” to re-enable the Teredo adapter. now, you need to if the netsh interface Teredo set state is fixed.

Enable IP Helper Service

The IP helper service is necessary for network configuration on your device. once it is disabled you are unable to connect to the Internet protocol, which also includes the teredo protocol, check if you disabled the teredo or not.

Hold on to the Windows+R to open the Run dialogue box, enter services.msc in the text box to open the services window.
Locate the IP Helper service from the list, and double click on it to open the Properties window.
Make sure if the status of the service is running, if not Click on start to enable it, and then set the startup type to Automatic.
Click Apply and ok to save changes.

Change the Teredo Server Name to Default

In some instances, the server name of the Teredo war tempered by the Malicious program, which is one of the causes for Teredo is unable to qualify. As some users report that changing the name of the server may help you to get rid of this issue.

To do this you just need to command prompt with the administrative and then execute these commands: “netsh interface Teredo set state servername=default”. once you run the command then exit the command prompt and restart your computer.

Remove Certain Entries from the Host File

If the above methods didn’t work for you, therefore the issue lies with the host file. It is possible that the host file is corrupted or has extra entries. So, you may need to check the files and remove the files which tend to be responsible for the issue.

Run the Command prompt as an administrator.
Input the command line “notepad.exe c:\WINDOWS\system32\drivers\etc\hosts” and press Enter to open the Hosts file.
In the opened notepad, press CTRL+F and input “win10.ipv6.microsoft.com” to find the relative entries, once you have found the entries remove them and save the file.

After saving the file you need to restart your computer and after ew seconds later check if the error Teredo is unable to qualify or not.

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Conclusion

Like Discussed above are the problems that teredo is unable to qualify, which means that the Teredo IP address cant obtained by Windows10. And that can be caused by the Teredo tunneling adapter and programs. The mentioned above are the troubleshooting methods also you can see Techy2Tech for more that will be helpful for you to resolve the issue teredo is unable to qualify fix.