How to Fix Database Connection Error in cPanel
Posted about 4 months ago 5.4kCommon Error Messages
Typical messages: 'Error establishing database connection', 'Can't connect to MySQL server'.
1. Check wp-config.php or Config File
Verify DB_NAME, DB_USER, DB_PASSWORD, DB_HOST (usually 'localhost').
2. Test Credentials
cPanel → MySQL Databases → Check user is added to database with privileges.
Advanced Fixes
Repair via phpMyAdmin
phpMyAdmin → Select database → Check 'Repair table' for all tables.
Restart MySQL Service (if possible)
Contact host or use WHM if available.
Common Causes Table
| Cause | Symptom | Solution |
|---|---|---|
| Wrong password | Access denied | Reset user password |
| Corrupt tables | Random errors | Repair database |
| Max connections | Too many connections | Optimize queries or upgrade |