The following settings in the configuration file should be modifed as follows: vbroker.naming.backingStoreType=JDBC vbroker.naming.jdbcDriver=COM.ibm.db2.jdbc.app.DB2Driver vbroker.naming.url=jdbc:db2: vbroker.naming.loginName= vbroker.naming.loginPwd= Before making access to Db2 via JDBC, you MUST register the database using Client Configuration Assitant. The should be the alias you specify when you register with Client Configuration Assitant. Since the database has been registered, you don’t have to specify host name and port number for the vbroker.naming.url.