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WINBIO_E_UNSUPPORTED_PROPERTY
WINBIO_E_UNSUPPORTED_PROPERTY is a capability mismatch. The property type and ID can be syntactically valid, yet the session, biometric unit, template, or account object being queried does not support that property.
Treat the property as a capability
- Record the target unit ID and property type/ID together so failures can be compared across device models.
- Do not cache support globally from one sensor and assume every biometric unit exposes the same property set.
- Provide a fallback path when a diagnostic or optional property is unavailable instead of failing the entire biometric workflow.
The WBF plug-in architecture allows biometric units to expose capabilities through different sensor and engine adapters. That makes per-object capability differences expected. This result is distinct from temporary unavailability: a later retry against the same target is not expected to add support unless the underlying adapter or configuration changes.
WinBioGetProperty · Plug-in architecture
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