Fix cudaErrorDeviceNotLicensed: GPU License Required

Overview

cudaErrorDeviceNotLicensed indicates a vGPU or datacenter GPU requires licensing that isn't configured.

Error Messages

CUDA error: device not licensed
cudaErrorDeviceNotLicensed

Common Causes

• •vGPU license server not configured
• •License expired
• •Datacenter GPU without license
• •Virtual machine needs GRID license

Solutions

# /etc/nvidia/gridd.conf
ServerAddress=license-server.example.com
ServerPort=7070
FeatureType=1

nvidia-smi -q | grep License

Prevention Tips

• ✓Set up license server before deployment
• ✓Monitor license expiration
• ✓Use licensed datacenter GPUs

Code Examples

Before (Problematic)

Requires GRID license.

// Using vGPU without license configuration

After (Fixed)

Licensing configured.

// gridd.conf properly configured
// License server reachable

Frequently Asked Questions

Related Errors

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