devtrackers.gg
Is it a dedicated server, or a LAN server?
Is it a dedicated server, or a LAN server?
Dedicated
Did you generate a game server login token, and assign it to your server?
I followed a video tutorial. https://youtu.be/PjWL5cxLraA this one and one that let you change the map and stuff.
I suggest following official documentation.
https://github.com/SmartlyDressedGames/U3-Docs/blob/master/ServerHosting.md