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Arma 3 Server Won't Connect – Port 2302, Mods & BattlEye

Arma 3 dedicated server – connection failed? Port 2302, Steam query, mod list & BattlEye – multiplayer troubleshooting.

Game servers

Quick answer: Arma 3 connection issues: port 2302 UDP, matching Workshop mod list and BattlEye active.

If you landed here: Arma 3 shows "Connection failed", mod errors or BattlEye kick on join.

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Frequently asked questions (FAQ)

Which ports for Arma 3 server?
2302 UDP (game), 2303 UDP (Steam query). Optional 2304–2306 for more slots. Open all.
Arma 3 "File patching rejected"?
Mod versions don't match. Steam Workshop mods in exact same order on server and client.
Arma 3 BattlEye kick?
Keep BattlEye updated on client. Server.cfg: BattlEye enabled. VPN/overlay can cause issues.
Previous Arma 3 Server – What Hardware Do I Need? Next Arma 3 Server Won't Start – Mods, BattEye & server.cfg

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