The main window of the Admin Tool organizes the settings and options on ten tabs. Only the Admin or users defined in the Admin Group can login to the Admin Tool.
The default Admin user is set up during installation and is given full access to all admin options. There are no restrictions based on user name. Any other user can have admin access by a putting them in the Admin Group on the Groups tab.
The user can manage one server at a time and any number of repositories within that server.