How to
Change/Reset SYS password
You can reset/change sys
password for Oracle database using ORAPWD utility.
[oracle@localhost dbs]$ sqlplus
/ as sysdba
Check the value for parameter
remote_login_passwordfile. If remote_login_passwordfile is EXCLUSIVE, then
database needs to be shut down.
SQL>
show parameter remote_log
NAME
TYPE VALUE
------------------------------------
----------- ------------------
remote_login_passwordfile
string EXCLUSIVE
Shutdown database.
SQL>
shut immediate;
Remove old password file.
[oracle@localhost
dbs]$ rm orapwCATDB*.*
Create new passwordfile using
ORAPWD utility.
[oracle@localhost
dbs]$ orapwd file=/u01/app/oracle/product/11.2.0/db_1/dbs/orapwCATDB
password=oracle entries=10
Password is ready to use.
[oracle@localhost
dbs]$ sqlplus sys/oracle@catdb as sysdba
SQL*Plus:
Release 11.2.0.4.0 Production on Wed Sep 27 16:54:25 2017
Connected
to an idle instance.
SQL>
startup
ORACLE
instance started.
Database
mounted.
Database
opened.
For further help:
How To Recover From Lost SYS
Password MOSC Note: 805084.1
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