Hi when I start my listener I get the following appear on the screen Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCO L=ipc)(KEY=EXTPROC1))) (DESCRIPTION=(ADDRESS=(PROTOCO L=tcp)(HOST=localhost.localdom ain)(PORT=1521))) Services Summary... Service "PLSExtProc" has 1 instance(s). however in my tnsnames.ora file and my listner.ora files I have a different