19.0-19.3 Only: GPU device is unavailable on Windows 11 VMs with more than 1 TB of memory

Description

On Windows 11 VMs with more than 1 TB of system memory, GPU device unavailable errors (Error 43) occur. This issue affects NVIDIA vGPU and GPU pass through deployments.

Version

This issue affects Windows 11 guest VMS.

Workaround

Required only for NVIDIA vGPU software 19.0-19.3: Limit the amount of system memory assigned to the VM to less than 1 TB.

Status

Resolved in NVIDIA vGPU software 19.4

Ref. #

5115698