Can't play online on PC

I’ve been playing for 4-5 days now, but I’ve not once been able to connect to online. When I try to connect to ‘Horizon Life’ it just displays the loading text on the top of the screen for ever. I’ve played other Forza games without problems.

Is this a known issue? Can I fix it by opening certain port?

Error message:
Imgur

I’ve never been able to connect either, on fh3 or 4. I’ve followed numerous instruction on how to configure toredo, nothing has ever worked. I just accept that it will not be fixed. it’s very sad, in world of Warcraft all I had to do was enter my username and password.

I have the same problem but on XBOX. I have the loading icon saying its finding you a session, it goes off and then I have no idea what happens next...Just nothing. Their has been some instances where I press the X button but again same thing nothing happens and I dont join the session.

Im confused as to where to find the horizon online? As I know it says it on the page where you find the marketplace and stuff but then sometimes it aint their and I have trouble finding it. I did find the Find the new session` button on it but again that takes me no where.

Check your Teredo settings. It is not just for party chat.

https://support.xbox.com/en-US/xbox-on-windows/social/troubleshoot-party-chat

for me none of this fixed my isssue been trying since horizon 3 and still nothing makes me not want to play on pc any more

I was unable to connect because I had windows firewall disabled. Apparently windows firewall needs to be running for some reason. Seems counter-intuitive, but it worked for me.

i researched this for so long last night and gave up to play online on my xbox.

glad i found this post today, it’s so dumb that i have to turn on the firewall to make it work.

Not every fix will work for everyone, This worked for me in H3.

Teredo link above sorted my online connectivity - thanks.

Guys you should try rhis if xbox teredo recommendations not works
https://forums.forza.net/turn10_postst134931_DNS-error-with-multiplayer-Solved---all-teredo-NAT-issues---Instruction.aspx

Can’t connect on PC either. I will try above solution after work, thanks!

If you are using a VPN, try disabling it.