This is sample datasource configuration which is working for me <xa-datasource> <track-connection-by-tx/> <jndi-name>WmxJmsDataSource</jndi-name> <xa-datasource-property name="PortNumber">15020</xa-datasource-property> <xa-datasource-property name="DatabaseName">TEST</xa-datasource-property> <xa-datasource-property name="ServerName">192.168.1.134</xa-datasource-property> <xa-datasource-class>com.ibm.db2.jcc.DB2XADataSource</xa-datasource-class> <xa-datasource-property name="User">ashwin</xa-datasource-property> <xa-datasource-property name="Password">ashwin</xa-datasource-property> <xa-datasource-property name="DriverType">4</xa-datasource-property> <type-mapping>DB2</type-mapping> </xa-datasource> View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4009372#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...