To change an internal user password expiration date
If the system-wide password expiration property is set to never expire, you cannot change the password expiration date of an individual user.
1.
Click Settings > Users.
The Username list is displayed in the left pane.
2.
The user account details appear in the right pane.
3.
Click the Edit Properties link at the bottom of the page.
The user details are displayed in editable fields.
4.
Change the date in the PW expiration field.
A window displays the message, Save Successful.
5.
The user account details appear in the right pane, including the new password expiration date.