# DayZ Server Won't Connect – Port 2302, Mods & BattlEye

DayZ dedicated server – connection fails? Port 2302, Steam query, mod order, BattlEye & firewall – troubleshooting.

**Quick answer:** DayZ connection issues: **port 2302 UDP**, exact same **mods** on client/server, **BattlEye** active.

**If you landed here:** Players can't join DayZ server – "Connection failed", mod mismatch or BattlEye kick.

## Related

- [Set up DayZ server](/en/gameserver/dayz/setup)
- [DayZ common errors](/en/gameserver/dayz/server-common-errors-and-how-to-fix-them)
- [Install DayZ mods](/en/gameserver/dayz/server-installing-and-managing-mods)