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Issue:
When sending a 3ds Max 2018 Mental Ray scene to Backburner 2018, an error occurs even though all render nodes are visible and available to the Backburner Manager:Error message: 3ds Max adapter error : Autodesk 20.1 reported error: Render Error (Beginning Render)
Causes:
NVIDIA Mental Ray is not installed or licensed for use on the Backburner render node.![The The](https://i.ytimg.com/vi/zTTUuAJvcms/hqdefault.jpg)
Solution:
3ds Max 2018 no longer ships with the NVIDIA Mental Ray rendering plugin. When using network rendering, a Mental Ray license must be installed per render node in accordance with NVIDIA's terms and agreements.As noted by NVIDIA, Mental Ray for 3ds Max is free to use within an interactive 3ds Max session. A Mental Ray license is only required when you render outside of a 3ds Max session. Your license then enables rendering with headless 3ds Max, Mental Ray Satellite or Standalone mode, as well as the separately available NVIDIA Iray for 3ds Max plug-in.
To download and license Mental Ray for 3ds Max 2018, please visit the NVIDIA Rendering Forum. Licensing can be obtained for ongoing projects by contacting [email protected].
Note: Mental Ray is not available for 3ds Max 2019 or Maya 2019, and according to NVIDIA, will not be ported to these versions. Mental Ray for 3ds Max 2018 and Maya 2018 are the last working versions of this render engine.
See Also:
For more information on the changes to Autodesk's 3ds Max 2018 and NVIDIA's Mental Ray, see the following:How to download NVIDIA Mental Ray and IRay renderers for 3ds Max 2018 and Maya 2018
NVIDIA Rendering and Transition FAQs
Changes to Rendering in 3ds Max 2018