# ARK Server Won't Connect – Port 7777, Mods & BattlEye

ARK Survival Evolved/Ascended – connection failed? Port 7777/27015, mod list, BattlEye & query port – dedicated server troubleshooting.

**Quick answer:** ARK connection issues: check **port 7777 UDP**, matching **mod list** and **query port 27015**.

**If you landed here:** ARK shows "Connection failed", "Unable to join" or mod mismatch.

## Related

- [Install ARK](/en/gameserver/ark/installation)
- [ARK mods](/en/gameserver/ark/server-how-to-install-mods)