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Info

See this playlist to learn how to use the Arnold License Manager.

 

 

 

No more environment variables! You can use the Arnold License Manager to configure licensing for Arnold:

  • Just sign in to activate a single-user Arnold license
  • Connect to one or more network license servers
  • Switch between different licensing systems (single user, NLM, RLM)

Whatever you set up in the Arnold License Manager is used by Arnold when you render. 

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Opening the Arnold License Manager

The Arnold License Manager is available from the Arnold > Licensing menu in Maya, 3ds Max, Houdini, and CINEMA 4D, and from the Arnold shelf in Katana

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In CINEMA 4D, click Extensions > C4DtoA > Help > Licensing > License Manager

In CINEMA 4D Team Render Client, click File > Extensions > C4DtoA > Help > Licensing > License Manager

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CINEMA 4D R21 replaced the Plugins menu with Extensions

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In Houdini, click Arnold > Licensing > License Manager

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In Katana, click the Shelf icon and in the KtoA shelf, click License Manager

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In Maya, click Arnold > Licensing > License Manager

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In 3ds Max, click Arnold > Licensing > License Manager

 

 

 

If you're not running a 3d application (for example, you're setting up a render node), then you can run the ArnoldLicenseManager executable.

  • MtoA: Look in the bin folder of the MtoA installation. For example, C:\Program Files\Autodesk\Arnold\maya2019-4.0.1\bin\ArnoldLicenseManager.exe
  • C4DtoA: Look in the arnold/bin folder
    • C:\Program Files\MAXON\Cinema 4D R20\plugins\C4DtoA\arnold\bin\ArnoldLicenseManager.exe
    • /Applications/MAXON/Cinema 4D R20/arnold/bin/ArnoldLicenseManager
  • HtoA: Look in the scripts/bin folder
  • KtoA: Look in the bin folder of the KtoA installation
  • MAXtoA: Look in the MAXtoA install folder. For example:
    • C:\ProgramData\Autodesk\ApplicationPlugins\MAXtoA_2020\ArnoldLicenseManager.exe

How does it work?

If you really want to know how it works, here's how:

  • The Arnold License Manager saves a a plain-text config file on your system. 
  • This config file is specific to your user account.
  • When you render, Arnold reads this config file and uses that information to get a license.

The config file

The Arnold License Manager is a user interface for setting up this config file.

Code Block
{
    "license": {
        "clm": {
            "servers": [
                "@localhost"
            ]
        },
        "order": [
            "network"
        ],
        "rlm": {
            "servers": [
                "5053@localhost"
            ]
        }
    },
    "version": "1.0"
}

The config file is a per-user setting:

  • Windows: %LOCALAPPDATA%\Autodesk\Arnold\
  • Mac: $HOME/Library/Preferences/Autodesk/Arnold/
  • Linux: $HOME/.config/Autodesk/Arnold/

When Arnold renders a frame, Arnold reads the config file to get the license server connection information.