For cPanel & WHM version 64
This document describes additional steps to follow if you experience problems when you attempt to connect to your remote MySQL® server.
The following table describes some errors that you may encounter, their possible causes, and the solutions we recommend:
|Failed to connect to remote server||DNS error: the server cannot resolve the hostname.|
Verify your DNS configuration settings. For more information, read our DNS FAQ.
|Invalid IP address error: the IP address does not exist.|
|Incorrect SSH port.|
|Invalid SSH credentials.||Verify you have the correct username and password to access the remote MySQL server.|
|Unable to connect to remote MySQL host "IP", connection failed with error:|
Host 'hostname' is not allowed to connect to this MySQL server
|Insufficient MySQL permissions.|
Grant the user superuser access.
Lost connection to MySQL server at 'handshake: waiting for initial communication packet', system error: 110
|Firewall error. The server cannot access the specified port on the remote MySQL server.|
Verify your firewall configuration settings. For more information, read our How to Configure Your Firewall for cPanel & WHM's Services documentation.
The specific solution will depend on the configuration settings of the local server, remote server, and firewall utility.
Cannot connect to MySQL server on 'IP' (107)
|MySQL is down on the remote MySQL server.||Restart MySQL on the remote MySQL server. For more information, read our SQL Databases FAQ.|
|Incorrect MySQL port.|
Reverse DNS entry warning
Before you set up a remote MySQL server, ensure that the remote server can resolve your local server's hostname to its IP address. To confirm this, log in to the remote server via SSH and use the
If you do not have a reverse DNS entry configured for your hostname, add an entry for your hostname to the
/etc/hosts file on the remote server.
For more information, read our How to Configure Reverse DNS for BIND in WHM documentation.
Remote MySQL root password
You can use the WHM interface to change the MySQL
root password (Home >> SQL Services >> MySQL Root Password). If you use a remote MySQL server, you must choose whether you will change the local or the remote server's
root password. By default, the system selects the remote MySQL server.
When the remote MySQL server is also a cPanel server, you must perform additional steps:
- If you change the MySQL
rootpassword on the hosting server, you must update the remote MySQL server's
- If you change the MySQL
rootpassword on the remote MySQL server, you must update the MySQL profile on the hosting server, and then re-activate the profile.