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I am trying to set up an NVIDIA Tesla T4 GPU and use its RTX functionality in a raytracing application (Bakery for Unity3D). But every time I launch the app, Bakery tells me it could not find the OptiX library.

I believe to have tracked it down to the driver version being too old (412.16), but when I try to load the GRID 7.2 drivers from the NVIDIA drivers public storage bucket I get an access denied exception.

Do I need to ask for special authorization to get access to this driver?

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The short answer is yes. This page will describe that you need a license. NVIDIA vGPU Software (Quadro vDWS, GRID vPC, GRID vApps)

This page, I've set it for the T4 license section depending on what you are looking for. NVIDIA® Virtual GPU (vGPU) Software Documentation

If you aren't paying for a vGPU license, you can start a 90 Day Free Trial here.

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  • Thanks for the info, you don't happen to know why the Google Cloud Storage bucket doesn't let me access the latest drivers? I expect Google to have the corresponding license for their Nvidia GPUs and set up this repository for their users to download them. I can download an older driver, but not the latest ones. – omacha Apr 8 '19 at 8:53

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