EXFO FTB-500 (Window XP) - Manual (Page 202)

Preparing for Automation
192 FTB-500
Configuring DCOM Access to Your Unit
9. In the Launch Permission dialog box, click Add.
10. In the Select Users or Groups dialog box, under Enter the object
names to select, type the name of the user to whom you want to give
start and activation access rights.
11. Click OK.