The portal Administrators are able to manage all the registrations of the Users from the User Accounts button of the menu.
The following tasks can be performed on this screen:
-Add New User Account
-Edit the Account 
-Authorize a not already accepted user
-Delete a User
-Delete Unauthorized Users
-View account creation and last log in date for a User
To increase the ease of use of the User Accounts page you can:
-Indicate the number of user accounts to be displayed per page
-View the accounts according to the Alphabetic letter, show All user or only the Unauthorized accounts
-Search to find a user by username or email address