Docs: VirtIO Windows Driver Version Compatibility with MS SQL

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Summary

Document known virtio-win driver version compatibility issues affecting Windows VMs running MS SQL under heavy or high read/write load, including the recommended version and versions to avoid.

Type

Troubleshooting / Known Issue

Suggested Content

• Audience: VergeOS administrators running Windows VMs with MS SQL Server workloads
• Prerequisites: Basic familiarity with VergeOS VM management and Windows guest agent installation
• Key sections:
  • Symptoms: data corruption, instability, or unexpected behavior on heavily loaded MS SQL VMs
  • Root cause: virtio-win v0.1.285 driver incompatibility under high I/O load
  • Recommended version: virtio-win ISO v0.1.271
  • Versions to avoid: v0.1.285 (reported to cause data corruption)
  • Steps to identify installed driver version in Windows Device Manager
  • Steps to downgrade/reinstall virtio-win drivers to v0.1.271
  • Link to stable virtio-win downloads

Context

Requested via support interaction. Customers running MS SQL Server on VergeOS VMs using the virtio-win guest agent and drivers have reported corruption issues and instability on heavily loaded systems or under sustained high read/write workloads. The issue is specifically tied to virtio-win v0.1.285; v0.1.271 is the confirmed working version and should be called out as the recommended version in any Windows guest driver documentation.