The users and groups displayed here are not defined in the user registry, but do have roles defined. This could be because they were removed from the user repository after the role assignments were made.
To view this pane in the console, click the following path:
To browse or change the properties of a listed item, select its name in the list.
To act on one or more of the listed items, select the check boxes next to the names of the items that you want to act on, then use the buttons provided.
To change which entries are listed, or to change the level of detail that is displayed for those entries, use the Filter settings.