You cannot modify a predefined group provided during installation. See Pre-defined User and Group for more information on this group.
Use this procedure to modify a group:
The modifications are written to the database. The main GUI menu of the affected user(s) is not changed until the user logs out and back in to the system, or the user refreshes the menu (using the web browser's Refresh function). The change in accessibility to menu options for affected user(s) takes effect immediately.