Virtual Audio Cable not an option for Unitrunker when remote desktop to a machine

I would like to RDP to my Windows 8.1 machine and have the SDR# audio pumped to Unitrunker using the Virtual Audio Cable. Seems like in Remote Desktop the option for Virtual Audio cable does not exist even though it is "virtual".



Does anyone know if there is an alternative to Virtual Audio Cable?

Virtual Audio Cable not an option for Unitrunker when remote desktop to a machine