ORA-12154: TNS:could not resolve the connect identifier specified

RMAN DUPLICATE FAILED WITH BELOW ERROR
=====================================

Recovery Manager: Release 11.2.0.3.0 - Production on Tue Jul 16 02:57:58 2013

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

RMAN>
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
ORA-12154: TNS:could not resolve the connect identifier specified

RMAN>
connected to recovery catalog database
RMAN>
connected to auxiliary database (not started)

Note: Comment ebstest_LOCAL paramater in tnsnames.ora file and try it again.

Solution:

oratest@ctsst $ diff tnsnames.ora tnsnames.ora_bkp
24c24
< #ebstest_LOCAL =
---
> ebstest_LOCAL =
46,57d45
< ebsoltp =
< (DESCRIPTION=
< (ADDRESS=(PROTOCOL=tcp)(HOST=ebsoltp.user.com)(PORT=1535))
< (CONNECT_DATA=
< (SID=ebsoltp)
< )
< )
< catalog=
< (DESCRIPTION =
< (ADDRESS_LIST =
< (ADDRESS = (COMMUNITY = TCP) (PROTOCOL=TCP) (Host =catalog.user.com) (Port = 1525)))
< (CONNECT_DATA = (SID = catalog)))
59d46
<
oratest@ctsst $



oratest@ctsst $ rman

Recovery Manager: Release 11.2.0.3.0 - Production on Tue Jul 16 03:03:57 2013

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

RMAN> connect target sys/tim3Pa55@ebsoltp

connected to target database: EBSOLTP (DBID=2581404741)

RMAN> connect catalog catalog/catalog007@catalog

connected to recovery catalog database

RMAN> connect auxiliary /

connected to auxiliary database: EBSTEST (not mounted)


After doing above steps issue got resolved.Happy learning !!!!!!!!!!!!!!!