@thomthom said: @turnbull2000 said: ASGVis have been in touch and asked for my purchase details, from which they'll decide any entitlement. Fingers crossed. I've got some tight deadlines coming up, so having Vray on a second machine will help immensly You want to render on two computer at the same time to reduce render time? That's what you got the Render slaves for. Install the render slaves on your available computers and use them when you render. Note it requires the machines to be on the same network. But it means you don't need extra licenses. No, it's so I can work on a laptop back home and then continue on a desktop in the office. Though network render should prove very useful with dozens of computers available!

That would be the simplest way. You can also try to additionally render a model version with white materials (clay render) and blend it over the photo parts in the photo montage. Maybe some of the render gurus can share some experiences.