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STATUS_GRAPHICS_NO_RECOMMENDED_VIDPN_TOPOLOGY
Absence of a recommendation is not a validation error
The miniport can be asked to recommend how a partially specified VidPN topology should be augmented. This status means it has no recommendation for that request. It does not by itself prove that the current topology is invalid, that the monitor is disconnected, or that every functional configuration is impossible.
A caller should fall back to its own policy, a different candidate topology, or a support check for a fully specified VidPN. Treat the result as lack of a proposed next step rather than as permission to invent unsupported paths.
Keep the request visible
- Log the constraining topology, requested pivot source or target, and any already pinned modes.
- Check the difference between “no recommendation” and a definitive supported/unsupported answer from the support callback.
- Try a complete, explicit topology only when the caller has valid source and target data for it.
References
- Microsoft: VidPN objects and interfaces
- Microsoft: Determining VidPN support
- Microsoft: Cofunctional mode enumeration
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