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Don Burleson Blog 







RMAN causes ORA-01031 tips

Oracle Database Tips by Donald BurlesonUpdated January 7, 2015

Question:  I am getting the ORA-01031 error in 11g r2 when trying to connect to RMAN:

RMAN> connect target rmanuser/rmanuser@stdby

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
ORA-01031: insufficient privileges

How do I fix this RMAN ORA-01031 error?

Answer:  Yu need a user with the SYSDBA privilege to avoid the ORA-01031 error.

Your user does not have the proper RMAN privileges (SYSDBA privilege):

To find a list of user who have SYSDBA privilege, issue this SQL:
select *

Starting in Oracle 11g, all RMAN sessions must be configured for remote login or you will get the ORA-01031: insufficient privileges error.  To connect to the target database using RMAN as SYSDBA, you must do one of the following procedures:

  • Connections with sysdba or sysoper privileges must always be authenticated. This is possible through OS authentication by assigning the appropriate OS group to the OS user.   The RMAN user account should be part of the operating system DBA group on the target server.

  • Another method is the use of a password file. If an 11g client is not configured you will get the ORA-01031: Insufficient privileges error when connect to Oracle in SQL*Plus as the SYS or SYSTEM user.  You do this by creating a password file using orapwd utility and enable the remote_login_passwordfile initialization parameter.  Oracle remote login is commonly configured with a password file using the orapwd utility. If you already have a password file and you are getting the ORA-01021 error, try deleting and re-creating your password file using orapwd.

Here are the steps to prevent the ORA-01031 error when connecting as sysdba in 11g:

1 - Create the password fileThis is done by executing the following command:

$ orapwd file=filename  password=password entries=max_users

The max_users is the number of database users that can be granted SYSDBA or SYSOPER.  This parameter should be set to a higher value than the number of anticipated users to prevent having to delete and recreate the password file. 

2 - Edit the init.ora parameter remote_login_passwordfile

This parameter must be set to either SHARED or EXCLUSIVE.  When set to SHARED, the password file can be used by multiple databases, yet only the SYS user is recognized.  When set to EXCLUSIVE, the file can be used by only one database, yet multiple users can exist in the file. 

SQL> show parameter password
NAME                          TYPE        VALUE
----------------------------- ----------- ----------remote_login_passwordfile     string      EXCLUSIVE

3 - Grant SYSDBA or SYSOPER to users When SYSDBA or SYSOPER privileges are granted to a user, that user's name and privilege information are added to the password file.

SQL> grant sysdba to scott;
Grant succeeded.

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