In the help file of RPT I have noticed the option to enable or disable GUI display during execution. The help file says that the option should be in the test editor, under Citrix Options in the first element of a test script.

This option seems to be missing when I look for it (I've checked & The userload is scaling to 1500 - it would be useful for me to be able to switch off the GUI on my agents. I have enabled Long Run mode in the schedule.