🎮 Game Error Codes What it means & how to fix it

DayZ Won't Connect to Your Server? Here's the Fix

'DayZ can't connect to server' and 'you were kicked' are almost always a mod mismatch or BattlEye. The fastest fix in 2026: use the DZSA Launcher to auto-download the server's exact mod set in the right order, whitelist BattlEye, and retry — modded servers refuse any client that isn't an exact match.

DayZ dedicated server — exact ports, config & save path

Ports to forward (UDP)
2302-2306
Steam query port (UDP)
27016
Server config file
serverDZ.cfg (next to DayZServer_x64.exe)
Character/world save path
mpmissions\<mission>\storage_1
Common cause of 'cannot connect'
Only 2302 forwarded — DayZ needs the whole 2302-2306 UDP range plus 27016 query open

Last verified: September 2026

Error codes

Connection failed / connecting failed The client couldn't establish or was rejected during load

Cause: Missing/mismatched mods, server full or restarting.

Fix:
  1. Install the DZSA Launcher and join the server through it — it downloads the exact mods automatically.
  2. Verify game files (Steam > Properties > Installed Files > Verify integrity).
  3. Retry in a few minutes — the server may be full or on a scheduled restart.
You were kicked / BattlEye BattlEye or the server rejected the client

Cause: BattlEye service issue, or mods loaded out of order.

Fix:
  1. Reinstall BattlEye from DayZ's install folder and whitelist it in antivirus.
  2. Let DZSA set the correct mod load order rather than launching mods manually.
  3. Make sure your game build matches the server's (both on the current stable branch).

Fixes that work for most DayZ errors

  1. Use the DZSA Launcher to match the server's mods and order automatically.
  2. Verify game files after every DayZ update.
  3. Reinstall/whitelist BattlEye if you're kicked.
  4. Stay on the same branch (stable vs experimental) as the server.
  5. Retry after a few minutes for full or restarting servers.
  6. Flush DNS and restart Steam if servers won't list.

FAQ

Why can't I connect to a modded DayZ server?

You need the server's exact mods in the correct load order. The DZSA Launcher does this automatically — join through it rather than launching mods manually from Steam.

Why does DayZ keep kicking me on join?

Usually a BattlEye problem or a mod/branch mismatch. Reinstall and whitelist BattlEye, verify game files, and make sure you're on the same game branch as the server.

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