XenCenter Console Can View the Virutal Desktop Operation – Monitor Blanking Failed

For HDX 3D Pro desktop. Monitor Blanking need Nvidia driver, if the driver is not ready the blanking will be failed.

or

The VDA agent had HD3Dx Pro enabled where the VM doesn’t have the Nvidia Display driver <GPU> installed or if Citrix WDDM Display driver is running

Non-working:

Failed to enable as 3dPro, but Vd3d provider worked, falling back, likely no GPU”,””

Working:

“IsAdapterPresent :: NVIDIA GPU detected”,””

SetMonitorState: NVAPI DLL found and loaded. Blanking/unblanking via NVAPI.”,””

SetMonitorState: NVAPI DLL unloaded.”,””

SetMonitorState: NVAPI Blanking :: Blank Succeeded”,””

In working scenario, we see that console blank was succeed because we found that NVIDIA GPU was attached and detected. In non-working scenario since the GPU isn’t attached console was open and visible on the XenCenter console.

IN CDF trace, you would see following lines:


Non-working:

Failed to enable as 3dPro, but Vd3d provider worked, falling back, likely no GPU”,””

Working:

“IsAdapterPresent :: NVIDIA GPU detected”,””

SetMonitorState: NVAPI DLL found and loaded. Blanking/unblanking via NVAPI.”,””

SetMonitorState: NVAPI DLL unloaded.”,””

SetMonitorState: NVAPI Blanking :: Blank Succeeded”,””

As per the article below, HDX 3D Pro mode “Supports GPU acceleration with any GPU, however console blanking, non-standard screen resolutions and true multi-monitor support require NVIDIA GRID, Intel Iris Pro, or AMD RapidFire graphics

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