- Plesk Onyx for Linux
Unable to install additional MySQL database servers via Plesk UI at Plesk > Tools & Settings > Database Servers > Add Database Server using local connection by binding them on different ports. The following error is shown:
PLESK_ERROR: The test connection to the database server has failed because of network problems: Connection refused
It is not possible to install new MySQL server instance on Linux server via Plesk UI.
Add Database Server button is used to add already existing MySQL servers to Plesk, not to create them.
However, it is possible to add connect to remote MySQL server instance via Plesk UI:
2. Navigate to Plesk > Tools & Settings > Database Servers and press Add Database Server.