Prior to logging in, the System Login page appears. You can create a login message that will appear just below the Log In button on the System Login page.
Oracle System Login
From the Main Menu, select Administration > General Options.
The General Options Administration page appears.
Locate LoginMessage in the Variable column.
Enter the login message text in the Value column.
Click OK or Apply to submit the information.
A status message appears at the top of the Configuration Administration page to inform you if the operation was successful.
The next time you log in to the user interface, the login message text is displayed.