Click on the "Security" tab located at the top of the administrative user interface.
Click on the small "Users" tab on the left hand side of the administrative user interface.
The Users will appear in the list below the small "Users" tab located on the left of the administrative user interface.
Click on the "Search for users" button to open a dialog to enter search criteria.
In the Search for users dialog, enter your search criteria. You can use the "Expand" and "Collapse" buttons to show or hide the search criteria for a particular field.