Found the answer myself :-) | <datasources> | <xa-datasource> | <jndi-name>jdbc/aConnection</jndi-name> | <track-connection-by-tx/> | <xa-datasource-class>org.postgresql.xa.PGXADataSource</xa-datasource-class> | <xa-datasource-property name="ServerName">localhost</xa-datasource-property> | <xa-datasource-property name="PortNumber">5432</xa-datasource-property> | <xa-datasource-property name="DatabaseName">someDB</xa-datasource-property> | <xa-datasource-property name="User">someUser</xa-datasource-property> | <xa-datasource-property name="Password">somePassword</xa-datasource-property> | </xa-datasource> | <mbean code="org.jboss.naming.NamingAlias" name="jboss.jmx:alias=aAlias"> | <attribute name="FromName">java:jdbc/aAlias</attribute> | <attribute name="ToName">java:jdbc/aConnection</attribute> | </mbean> | <mbean code="org.jboss.naming.NamingAlias" name="jboss.jmx:alias=anotherAlias"> | <attribute name="FromName">java:jdbc/anotherAlias</attribute> | <attribute name="ToName">java:jdbc/aConnection</attribute> | </mbean> | </datasources> | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4158184#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...