Tutorials
Step-by-step guides to help you connect to your server and troubleshoot common issues.
Connecting to Your Server
Follow these steps
- Launch Minecraft with mods
- Go to Multiplayer
- Click 'Add Server'
- Enter Server Details
- Join Your Server
Java Version Troubleshooting
Follow these steps
Check Your Java Version
java -version
Version Compatibility
Use the Java version recommended by your modpack.
Update Java
Download the latest LTS release and re-run your update/package manager after installing.
Firewall Configuration
Follow these steps
Windows Firewall
- Open Windows Security → Firewall & network protection
- Allow an app through firewall
- Add Java/Minecraft or your launcher
- Allow both Private and Public
Mac Firewall
- System Settings → Network → Firewall
- Click Options...
- Add Java/Minecraft and allow incoming connections
Router/Ports
- Forward 25565 TCP/UDP
- Reserve static IP for the server
- Check ISP modem settings
Connection Issues
Follow these steps
'Can't Reach Server'
- Verify IP and port
- Restart server from panel
- Check firewall/port forwarding
'Outdated Client/Server'
- Ensure same game version
- Match modpack versions
- Restart both client and server
Slow Connection/High Ping
- Try a closer region
- Minimize background downloads
- Use wired connection if possible
Advanced Troubleshooting
For more complex connection issues and technical problems that require deeper insight.
DNS & Network Diagnostics
Windows / PowerShell
Resolve-DnsName your.server
macOS / Linux
dig your.server
Minecraft Launcher Issues
- Clear launcher cache
- Re-add your account
- Disable conflicting overlays (Discord, GeForce)
- Reinstall the launcher if crashes persist
Memory and Performance
- Allocate 4–48GB RAM for heavy modpacks
- Remove high-impact mods
- Lower view distance on server and client
- Check CPU saturation in your host panel
Quick Reference Guide
Updated 09/2025System Requirements
Minimum
2 vCPU / 4GB
Recommended
4 vCPU / 8-16GB
Useful Commands
/stop
/save-all
/save-off
/whitelist on
/op
/deop
/list
/kick
/ban
/pardon