Step 4: Install and Configure the License Manager Install and configure the NLM on the server following the steps indicated here, depending on the OS used: Step 3: Get the Arnold license file Generate the Arnold license file from the Autodesk Account: Generate a Network License File in Autodesk Account. Download the NLM from this page for the corresponding OS.Identify the machine which would act as license server.
Note: If you are using C4DtoA 3.0.1 or higher you need to update your license file with Arnold 2020 from the Autodesk Account, then follow the steps down below under Arnold 6 (aka Arnold 2020 - C4DtoA v3.0.1 or higher).