Mar 9, 2023 · If that did not work, then forward the following ports in the router’s settings, required by the Forza Horizon game, and then check if the game is working fine. Forza Horizon 4 – PC. TCP: 3074 UDP: 88,500,3074,3544,4500. Forza Horizon 4 – Xbox One. TCP: 3074 UDP: 88,500,3074,3544,4500. For Xbox, you may forward the following ports: Feb 16, 2022 · I have recently been trying to play Forza Horizon 4 on PC, but have not been able to play online with some of my friends or even join a multiplayer session. Specifically the game just sits with the upper message that its looking for a session forever. Friends have tried to join my game but they never load in. I´ve downloaded Forza Horizon 4 everything went fine till i tried to open the game and it didnt work, it just opens the screen for a sec and then closes. I allready tried many solutions like closing recording apps enabling dev mode and stuff. Please Help My Specs: i7-2600k - HD 7970 - 8gb ram xtXA1.