Are your friends all students on the same campus, or are they also playing from their regular home? We all are on the same campus I was thinking of a dedicated server not on a hoster, but on a private home machine, where the router firewall can be opened for the necessary ports. We've already tried...

Thank you for your answer, I've already tried 2352 and 3452. And I had never tried Wireshark before yesterday, and yes it's a bit intimidating but I've understood how it's works (I think :D ) But I dont really know what do to with it, the ports 2350 and 3450 are open on my server. But for the colleg...

To sum up: I'd like to join my server with my college's wifi (I'm living there) buy I got an error : "UDP Initialization failed" (other students have the same error) But I can join some other online servers (not all) and I'd like to know how avoid having this UDP error :roll: I think it have to be f...

For me too but it doesn't work :/

I've an UDP error but not with every servers

Oh but I'm sure that it's a network limitation, but like I said before, i can join some servers. So even if it's a network limitation, it can be fixed server side tho. Maybe i've to find which UDP ports are open with Wireshark and modify it on the Launcher -> Network : https://i.imgur.com/enpR1Qt.pn...

Thanks for your answer ! In Launcher > Settings, I've unchecked all the boxes in the P2P TAB : https://i.imgur.com/wGjN2tW.png (Sorry it's in french) I've also disable all game settings related to vehicles skins. But i still get the same error :/ Maybe i should try disabling P2P on the server ? (I'l...

Hello, I'm currently studying in Ireland (I come from France) and I've a problem on Trackmania² Stadium: When i try to join an online server, i often get an error : "Connection Failure : UDP Initialization failed". As I am on my college connection, i thought it was due do it (and i think it mainly i...