Show Citrix vusers not working in Controller

Hi

I've been porting a Citrix script onto some newly built machines. The ICA screen happily shows vuser activity in Vugen, but does not when running from the controller using lr_citrix_vuser_view on the command line (it did work on the original machine).

Controller, Load Generator, and Vugen are all on the same machine.

LR 12.02.0.0  Citrix Receiver  4.2.100.14 - are same as original machine

Any help to resolve this would be appreciated as the ability to do this is very useful for debugging

Regards