vraytoon and Backburner

V-Ray V-Ray for 3ds Max Issues
1

When rendering vraytoon with vray materials on backburner I got wrong results. It does work with standard materials though.
Vray version: 1.5

Render locally on every computer:

Render on Backburner

2

Do the images look the same if you turn VRayToon off?

Best regards,
Vlado