DayZ Server Won't Start – Mods, BattEye & serverDZ.cfg

Quick answer: DayZ won't start: read logs, update mods, check serverDZ.cfg and open ports 2302–2305 UDP.

If you landed here: Server crashes on start, restart loop in panel or BattEye/mod errors in logs.

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Frequently asked questions (FAQ)

DayZ server won't start – first steps?

Read panel logs and script.log. Common: mod version mismatch after update, bad serverDZ.cfg line, port 2302–2305 blocked.

Mod mismatch / key verification failed?

Update all mods via Steam Workshop/SteamCMD. Match mod list in serverDZ.cfg with workshop IDs. Remove mods one by one to test.

Which ports for DayZ?

2302 UDP (game), 2303–2305 UDP (additional). BattEye needs open UDP ports. Open all in panel + firewall.

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