Arnold plug-in is missing from Maya or 3ds Max, after restarting or installing the application.


The installation of the Arnold plug-in has been corrupted, or the plugin is not loaded properly in 3ds Max and Maya.


  1. Close 3ds Max or Maya.
  2. Download & install the Arnold plug-in from Solid Angle: Arnold Downloads.
  3. Load the plug-in in 3ds Max or Maya:

Maya: Windows > Settings/Preferences > Plug-in Manager and verify that mtoa.mll is set to Loaded and Auto Load.

3ds Max: Customise > Plug-in Manager verify that Arnold MAX plug-ins is checked.

Load the plug-in in 3ds Max or Maya
Load the plug-in in 3ds Max or Maya

See also:

Source: Autodesk

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