Touch the Tools button on the main button bar.
Select System Configuration from the drop-down menu.
Touch the Security button at the top of the System Configuration window.
CAUTION: When you restore the security file, it automatically overwrites the current security settings.
Touch the Tools button on the main button bar.
Select System Configuration from the drop-down menu.
Touch the Security button at the top of the System Configuration window.
Touch the Security Configuration button. The Security System window appears.
Touch this button. The Restore Security File dialog box appears, allowing you to select the location of the security file. The dialog box defaults to the location where you last saved the security file.
NOTE: The security file name is ndsnSec.bak. You cannot rename the security file.
Accept or 
Cancel the restoration.
Shut down the OI and restart it to complete the restoration of the security file.
