RMAN-04006: error from auxiliary database: ORA-01031: insufficient privileges

RMAN-04006: error from auxiliary database: ORA-01031: insufficient privileges

I encountered this error while connecting to an auxiliary database.

[oracle@test1 admin]$ rman target sys/oracle@testdb_source auxiliary sys/oracle@testdb_destination

Recovery Manager: Release 11.2.0.1.0 - Production on Thu May 9 21:28:21 2013

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

connected to target database: TESTDB (DBID=2596658962)

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-00554: initialization of internal recovery manager package failed

RMAN-04006: error from auxiliary database: ORA-01031: insufficient privileges

Here I made one mistake in setting the oracle_sid/db_name. I had added the oracle_sid name in listner.ora file as upper case while in tnsnames.ora and initsid.ora as lower case which was the cause here. 

I changed the sid name entry of all the mentioned files in the same case  and then tried to connect the auxiliary database, it was successfull at that time.

[oracle@test1 admin]$ rman target sys/oracle@testdb_source auxiliary sys/oracle@testdb_destination

Recovery Manager: Release 11.2.0.1.0 - Production on Thu May 9 21:29:47 2013

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

connected to target database: TESTDB (DBID=2596658962)

connected to auxiliary database (not started)

RMAN> 

RMAN>