# Farming Simulator Server Won't Connect – Multiplayer & Ports

Farming Simulator dedicated server won't connect? Connection failed, port 10823 UDP, mods, crossplay – FS22/FS25 multiplayer troubleshooting.

**Quick answer:** FS connection issues: open **port 10823 UDP**, **sync mods** and wait for full server start.

**If you landed here:** "Connection failed", timeout or FS server not in multiplayer list.

## Related

- [FS won't start](/en/gameserver/farming-simulator/server-startet-nicht)
- [FS server lagging](/en/gameserver/farming-simulator/server-laggt)
- [Install FS](/en/gameserver/farming-simulator/installation)
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