BR0278E Command output of 'D:\oracle\PRD\102\BIN\sqlplus /nolog < G:\oracle

Hi,

I am getting Error in offline backup while online backup is working fine.

OS - Windows 2008

DB - Oracle 10.2.0.4

BR0278E Command output of 'D:\oracle\PRD\102\BIN\sqlplus /nolog < G:\oracle\PRD\sapbackup\.befvsink.spi':

SQL*Plus: Release 10.2.0.4.0 - Production on Tue May 10 07:03:18 2011

Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

SQL> SQL> ERROR:

ORA-12560: TNS:protocol adapter error

SQL>

SQL> ORA-12560: TNS:protocol adapter error

SQL>

BR0280I BRBACKUP time stamp: 2011-05-10 07.03.18

BR0279E Return code from 'D:\oracle\PRD\102\BIN\sqlplus /nolog < G:\oracle\PRD\sapbackup\.befvsink.spi': 0

BR0302E SQLPLUS call for database instance PRD failed

BR0306E Start and open of database instance PRD failed

BR0280I BRBACKUP time stamp: 2011-05-10 07.03.18

BR0301E SQL error -12560 at location BrDbConnect-2, SQL statement:

'CONNECT /'

ORA-12560: TNS:protocol adapter error

BR0310E Connect to database instance PRD failed

Kindly suggest me.

Thanks & Regards,

Darshan