vGPU VMs that reference a physical NVIDIA Blackwell GPU cannot power on because the vmx process fails.
Error: The amount of graphics resource available in the parent resource pool is insufficient for the operation.
GPU Model: NVIDIA Blackwell series
Host: ESXi 8.0.x
This is a known issue affecting ESXi 8.0 U3f and earlier.
Kindly update the ESXi host to 8.0 U3g or later to resolve the issue.
Please follow the steps from the below link to update the ESXi hosts using Lifecycle manager
How to Use vSphere Lifecycle Manager Images
The release notes for ESXi 8.0 U3g has further information.