The service is registered with the naming service with the name "EventLogFactory" . To run the Event Logging Service: ------------------------ 1. you should have a running Naming Service. if not, start one at $TAO_ROOT/orbsvcs/Naming_Service/Naming_Service 2. execute the Event_Logging_Service at $TAO_ROOT/orbsvcs/Logging_Service/Event_Logging_Service/Event_Logging_Service The idl spec is $TAO_ROOT/orbsvcs/orbsvcs/DsEventLogAdmin.idl see also $TAO_ROOT/orbsvcs/orbsvcs/DsLogNotification.idl