Go to the Server Configuration, User Administration, Delete User form.
Fill in the following fields:
User name
Password file - The file to delete the user from.
All occurrences of the user will be deleted from all groups in the
group file as well.
Group file - The server group file that the user will be deleted
from.
Click Submit to update your server with the changes you made to the form or
Click Reset to return to the values that were on the
form before you made the changes.