ORA-28001: the password has expired

Symptom

$ sqlplus

SQL*Plus: Release 10.2.0.4.0 - Production on Mon Apr 16 11:46:27 2012
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.

Enter user-name: itsiti
Enter password:
ERROR:
ORA-28001: the password has expired

Solution

1. Change the password for the affected user.

Changing password for itsiti
New password:
Retype new password:
Password changed

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options