10/15/2012

Oracle password reset for oracle user system and sys

Log into the database server as a user belonging to ‘dba’ [unix ] or ‘ora_dba’ [windows ] group , typically ‘oracle’, or an administrator on your windos machine. You are able to log into Oracle as SYS user, and change the SYSTEM password by doing the following:
$ sqlplus "/ as sysdba"
SQL*Plus: Release 9.2.0.1.0 - Production on Mon Apr 5 15:32:09 2004

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.

Connected to:
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production

SQL> show user

USER is "SYS"

SQL> passw system
Changing password for system
New password:
Retype new password:
Password changed
SQL> quit

Next, we need to change the password of SYS:
$ sqlplus "/ as system"
SQL*Plus: Release 9.2.0.1.0 - Production on Mon Apr 5 15:36:45 2004

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.

SP2-0306: Invalid option.
Usage: CONN[ECT] [logon] [AS {SYSDBA|SYSOPER}]
where <logon>  ::= <username>[/<password>][@<connect_string>] | /
Enter user-name: system
Enter password:

Connected to:
Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production

SQL> passw sys
Changing password for sys
New password:
Retype new password:
Password changed
SQL> quit
You should now be able to log on the SYS and SYSTEM users, with the passwords you just typed in

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