EXFO FTB-500 (Window XP) - Manual (Page 174)

Accessing Your Unit Remotely
164 FTB-500
Working with Remote Desktop
9. Tap Find Now to let the system find and display the list of users.
10. Select the user to which you want to grant access rights, and then tap
OK.
11. From the list of users, select the user that you have just added, and
then tap OK.
12. Repeat steps 9 to 11 with all the users to which you want to grant
access rights.
13. From the Remote Desktop Users dialog box, tap OK.
14. From the System Properties dialog box, tap OK to confirm the
changes and return to Control Panel.