NVIDIA GeForce Passthrough to VMware, Code 43 - Troubleshooting Guide

NVIDIA GeForce Passthrough to VMware, Code 43 - Troubleshooting Guide

If you are a gamer or use graphics-intensive applications, you may have encountered the NVIDIA GeForce Passthrough to VMware Code 43 error. This error prevents your virtual machine from recognizing your NVIDIA GPU and can be frustrating. But don't worry, we have put together a troubleshooting guide to help you resolve this issue.

What is NVIDIA GeForce Passthrough?

NVIDIA GeForce Passthrough is a feature that allows you to pass your physical NVIDIA GPU to a virtual machine running on VMware. This enables you to utilize the full power of your GPU within the virtual environment, making it ideal for gaming, video editing, and other graphics-intensive tasks.

Understanding Code 43 Error

When you encounter the Code 43 error, it means that Windows has stopped your GPU because it has reported an issue. This error can occur due to various reasons, such as outdated drivers, incompatible hardware, or conflicts with other software.

Troubleshooting Steps

Step 1: Update NVIDIA Drivers

The first step is to ensure that you have the latest NVIDIA drivers installed on your host machine. To do this, follow these steps:

1. Visit the NVIDIA website and navigate to the Drivers section.
2. Select your GPU model and operating system.
3. Download the latest drivers and install them on your host machine.

Step 2: Enable Passthrough in VMware

Next, you need to enable passthrough for your GPU in VMware. Follow these steps:

1. Open VMware and navigate to the virtual machine settings.
2. Click on the Hardware tab and select Add.
3. Choose PCI Device and select your NVIDIA GPU from the list.
4. Click OK to save the changes.

Step 3: Disable Hyper-V

If you have Hyper-V enabled on your host machine, it can cause conflicts with NVIDIA passthrough. To disable Hyper-V, follow these steps:

1. Open the Control Panel on your host machine.
2. Go to Programs and Features.
3. Click on Turn Windows features on or off.
4. Uncheck Hyper-V and click OK.
5. Restart your computer for the changes to take effect.

Step 4: Modify Virtual Machine Configuration

In some cases, modifying the virtual machine configuration can resolve the Code 43 error. Follow these steps:

1. Power off your virtual machine.
2. Right-click on your virtual machine in VMware and select Edit Settings.
3. Click on the Options tab and select General.
4. Click on Configuration Parameters.
5. Add a new row with the following values:
   • Name: hypervisor.cpuid.v0
   • Value: FALSE
6. Click OK to save the changes.

Step 5: Reinstall VMware Tools

Reinstalling VMware Tools can sometimes resolve compatibility issues and fix the Code 43 error. To reinstall VMware Tools, follow these steps:

1. Power on your virtual machine.
2. Click on VM in the VMware menu and select Install VMware Tools.
3. Follow the on-screen instructions to complete the installation.

Step 6: Check GPU Compatibility

It's important to ensure that your GPU is compatible with NVIDIA passthrough. Check the VMware Compatibility Guide to verify if your GPU model is supported.

Conclusion

The NVIDIA GeForce Passthrough to VMware Code 43 error can be frustrating, but by following the troubleshooting steps outlined in this guide, you should be able to resolve the issue. Remember to keep your drivers up to date, enable passthrough in VMware, and check for any conflicts with Hyper-V. If all else fails, consider reaching out to NVIDIA or VMware support for further assistance.

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