Enable or disable Unified audit in Oracle

Enable the Unified Audit in Oracle Database

1. Check the unified audit is disable.

select parameter, value from v$option where parameter = 'Unified Auditing';

PARAMETER            VALUE
-------------------- ----------
Unified Auditing     FALSE

2. Shutdown and stop all the services related to Oracle Binaries.

sqlplus / as sysdba
shutdown immediate
exit

lsnrctl stop


cd /u01/app/oracle/product/middleware/oms
export OMS_HOME=/u01/app/oracle/product/middleware/oms
$OMS_HOME/bin/emctl stop oms

3. Enable the Unified auditing from Oracle Binaries.

cd $ORACLE_HOME/rdbms/lib
make -f ins_rdbms.mk uniaud_on ioracle

4. Start the database

Startup

lsnrctl start
emctl start oms

5. Check the auditing is enabled

select parameter,value from v$option where parameter = 'Unified Auditing';
PARAMETER VALUE
-------------------- ----------
Unified Auditing TRUE

Disable the Unified audit in Oracle 12c

1. Check Unified auditing is enabled.

select parameter,value from v$option where parameter = 'Unified Auditing';

PARAMETER            VALUE
-------------------- ----------
Unified Auditing     TRUE

2. Checked the enabled policies present in Oracle Database.
select user_name,policy_name,enabled_opt,success,failure from audit_unified_enabled_policies;

3. Disable that enabled policies by running output of the following query.

select 'noaudit policy '||policy_name||';' from audit_unified_enabled_policies;

4. Shutdown and stop all related oracle Services.

-- Shutdown the database
sqlplus / as sysdba
shutdown immediate
exit
--Stop the listener
lsnrctl stop
--- stop the OMS service
cd /u01/app/oracle/product/middleware/oms
export OMS_HOME=/u01/app/oracle/product/middleware/oms
$OMS_HOME/bin/emctl stop oms

5. Disable the unified audit with libraries from Oracle Binaries.
cd $ORACLE_HOME/rdbms/lib
make -f ins_rdbms.mk uniaud_off ioracle

6. Start the database

--Start the database
Startup
--Start the listener
lsnrctl start
--Start the OMS service
emctl start oms

7. Verify the unified audit is disabled

select parameter,value from v$option where parameter = 'Unified Auditing';

PARAMETER            VALUE
-------------------- ----------
Unified Auditing     FALSE