infoServer ErrorsAffects: All versions
How to Fix RCON Not Connecting
Fix RCON by enabling it in server.properties with the correct port and password.
Quick Fix
Enable RCON in server.properties: enable-rcon=true, rcon.port=25575, rcon.password=yourpassword.
Error Message
RCON connection failed / Unable to connect to RCONHow to Fix
1
Set enable-rcon=true in server.properties
2
Set rcon.port=25575 (or custom port)
3
Set rcon.password to a strong password
4
Open the RCON port in your firewall
5
Restart the server after changes
Common Causes
- RCON not enabled in server.properties
- Wrong RCON port or password
- Firewall blocking RCON port
Diagnostic Steps
- Edit server.properties
- Enable RCON and set password
- Open the RCON port
- Restart and test
FAQ
Is RCON secure?
RCON is not encrypted. Only expose it on localhost or use it over a VPN/SSH tunnel. Never expose RCON to the public internet.