You might have added that entry in the wrong spot or have mismatched paranthesis _____ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Harvinder Singh Sent: Wednesday, September 13, 2006 4:47 PM To: ORACLE-L Subject: RMAN giving error ORA-19550 Hi, We are using Shared server and when trying to do rman backup getting error: ORA-19550: cannot use backup/restore functions while using dispatcher I modified the tnsnames.ora to add the following clause: (server = dedicated) But now getting the error: C:\backup\Personal\OracleScripts>rman target sys/abc@qa1 nocatalog Recovery Manager: Release 10.1.0.3.0 - Production Copyright (c) 1995, 2004, Oracle. All rights reserved. RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-00554: initialization of internal recovery manager package failed RMAN-04005: error from target database: ORA-12154: TNS:could not resolve the connect identifier specified How to fix this issue? Thanks --Harvinder