This section is common to all editions of IT360 - Professional Edition, Enterprise Edition [Both Central Server and Probes], MSP Edition [Central Server and Probes]
Login to IT360 console with the Username and Password of an Admin user.
Click the Admin tab in the header pane.
You need to add users, before you assign role to them.
Enable the checkbox(es) against the required Users / Requestors.
Select the Role for this Requestor from the Assign Role dropdown menu on the top of Requesters List.
Now, the chosen Role is assigned to the HelpDesk Requestor and a success message is displayed as "Successfully assigned user(s) to role".