For some reason I have started getting an error when my EJBs attempt to get a connection to my SQL Server database. I've never seen an exception like this, could someone help me with this: org.jboss.util.NestedSQLException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: 7b7b0169:80b:477d42dc:34 status: ActionStatus.ABORT_ONLY >); - nested throwable: (org.jboss.resource.JBossResourceException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: 7b7b0169:80b:477d42dc:34 status: ActionStatus.ABORT_ONLY >)) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4116917#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...