DayZ Server Troubleshooting
Solve common DayZ server issues and get your server running smoothly.
Server Won't Start
Check Server Logs
# Windows
查看 DayZServer_x64.RPT in DayZ server folder
# Linux
Check logs in /path/to/dayz/
Look for DayZServer_x64.RPT
Common Startup Issues
- Missing dependencies: Ensure all DayZ files are present
- Corrupted files: Verify server files via SteamCMD
- Port conflicts: Check if ports 2302-2306 are available
- Insufficient RAM: Ensure server has enough memory
Solutions
# Verify files (SteamCMD)
app_update 221100 validate
# Check ports
netstat -an | findstr "2302"
# Run as administrator
# Windows: Right-click -> Run as Administrator
# Linux: Use sudo or correct permissions
Connection Issues
Players Cannot Connect
Common causes and fixes:
- Firewall: Allow ports 2302-2306 (TCP/UDP)
- Wrong IP: Use public IP, not local
- Port forwarding: Forward ports on router
- Server full: Check maxplayers in config
Connection Timed Out
# Check firewall
# Windows Firewall with Advanced Security
# Add rules for ports 2302-2306
# Linux
ufw allow 2302:2306/tcp
ufw allow 2302:2306/udp
Session Lost / Disconnected
- Check server stability
- Verify network bandwidth
- Reduce player count if overloaded
- Check for mod conflicts
Performance Issues
Server Lag
Solutions:
- Reduce zombie count in cfgEconomyCore.xml
- Reduce animal count
- Disable unnecessary mods
- Optimize loot economy
- Check CPU usage
Desync Issues
Fix desync:
- Reduce network tick rate if needed
- Optimize server FPS
- Ensure SSD storage
- Reduce player count
- Check network connection stability
Crash Issues
Random Crashes
Troubleshoot crashes:
- Review RPT log for error details
- Check for corrupted database files
- Disable problematic mods
- Update server to latest version
- Check system resources
Memory Issues
# Increase memory allocation (Windows)
# In startup parameters:
-malloc=system -maxMem=16384
# Check available memory
# Ensure server has enough RAM
Database Issues
Corrupted Database
- Stop server
- Restore from backup
- If no backup, delete corrupted .db files and restart
Player Data Not Saving
# Check database permissions
chmod 644 missions/db/*.db
# Check disk space
df -h
# Verify database is not locked
# Ensure only one server instance is running
Mod Issues
Mods Not Loading
# Check workshop folders
# Ensure mods are in @mod_name format
# Check serverDZ.cfg
-launch=mods=@Expansion;@CF;@VPPAdminTools
# Verify workshop content
app_update 221100 validate
Mod Conflicts
- Disable mods one by one to find conflict
- Check mod load order
- Ensure all players have required mods
- Check mod compatibility
Map Issues
Map Won't Load
- Verify map files are present
- Check map name in server config
- Ensure map is compatible with server version
- Check for corrupted map files
Getting Help
If issues persist:
- Check DayZ forums and Discord
- Review server logs carefully
- Share error details when seeking help
- Search for similar issues online
Important: Always make backups before making major changes to your server.
Common Error Codes
- 0x00000001: General exception
- 0x00000005: Access violation
- 0x80070005: Permission denied
- 0x80070002: File not found