HRESULT 0x80370303 (WHV_E_UNSUPPORTED_HYPERVISOR

Status / error code:

Category:

Constant name:

Source:

Facility:

Operating System:

Description:

The hypervisor is present but its configuration is unusable by WHP; verify host capabilities.

Previous	Next
WHV_E_UNKNOWN_PROPERTY	WHV_E_INVALID_PARTITION_CONFIG

WHV_E_UNSUPPORTED_HYPERVISOR_CONFIG

Hypervisor presence and WHP usability are separate checks

WHV_E_UNSUPPORTED_HYPERVISOR_CONFIG means the current hypervisor configuration is not supported by the Windows Hypervisor Platform API. This is different from a capability query reporting that the hypervisor is absent and from an invalid configuration of one application-created partition.

The host can boot with virtualization enabled yet expose a security, architecture or platform mode that prevents third-party WHP partitions. Diagnostics should therefore capture Windows build, architecture, enabled virtualization features and capability results before changing guest settings.

Evidence and corrective action

Query the hypervisor-present and platform feature capabilities and preserve their returned structures.
Record whether the host is x64 or Arm64 and whether the application supports that WHP architecture.
Check Windows optional-feature and virtualization-based security changes made before the failure began.
Test a minimal create/setup partition sequence to separate host configuration from guest-emulator logic.
Do not focus on GPA mappings or virtual processor registers until partition creation is supported.

References

Looking for a different code? Search another status or error code.