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STATUS_GRAPHICS_INVALID_VIDPN_TOPOLOGY
Topology is a graph, not a screen layout
A VidPN topology is the set of links between video present sources and video present targets. A source is the logical image producer; a target is an output endpoint such as a connector or monitor path. This status means the submitted graph itself is structurally invalid before the driver can decide whether hardware resources can implement it.
That differs from a valid topology that is unsupported by a particular adapter. First establish which source IDs, target IDs, and present paths were supplied, then inspect duplicate, missing, or inconsistent associations. A mode or EDID problem can be downstream of a valid topology; it does not explain an invalid graph.
Evidence that narrows it
- Log every
VidPnSourceId,VidPnTargetId, path flag, scaling, rotation, and color-basis field in the proposed topology. - Compare the graph with the adapter’s enumerated source and target counts, including targets that have no connected monitor.
- Separate a malformed path descriptor from a resource conflict reported later by
STATUS_GRAPHICS_VIDPN_TOPOLOGY_CURRENTLY_NOT_SUPPORTED.
References
- Microsoft: Introduction to Video Present Networks
- Microsoft: Determining VidPN support
- Microsoft: VidPN objects and interfaces
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