Vray Distributed Rendering - empty vfb channels?

Hi all,

I’m using distributed rendering and while my RGB and Alpha channels are rendering out fine, the material ID, matte shadow, and raw shadow channels render with blank spots where one of my “render buddy’s” has passed. Any ideas?

Quick update - It has something to do with what version of the spawner the target machine is running. I managed to get DR running fine with a machine that had been updated with the latest spawner.