In Order to use the existing database, you have to create Data Source in Jasperserver repository. - Go to View -> repository, select any folder and right click to open -> Add Resource Menu - Select Add New data source - You can select JDBC Data source Or JNDI Data Source - add the details -> URL, username , password , driver class and test connection Once Data source is created successfully, you can use it in Jasperserver to create reports , domain Hope it helps, Ramnik Kaur Senior QA Engineer