Hey everyone in this video I show the fix I found through deep searching on how to fix the Xbox server connectivity issues involving Teredo. You may also need to restart your PC after performing the group policy changes.
If my fix doesn't work also try the fix under Solution 3 of the page here: https://support.xbox.com/en-GB/help/h...
or just enter these into admin command prompt if you don't want to verify the values:
netsh interface Teredo set state type=default
reg add HKLM\System\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0x0
Keep up to date with me on twitter!
/ stallzy
#Teredo