What does HRESULT 0xC0262340 (ERROR_GRAPHICS_TARGET_NOT_IN_TOPOLOGY) mean?

 
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ERROR_GRAPHICS_INVALID_PIXELVALUEACCESSMODE ERROR_GRAPHICS_NO_DISPLAY_MODE_MANAGEMENT_SUPPORT

ERROR_GRAPHICS_TARGET_NOT_IN_TOPOLOGY

Interpret the result in its owning layer: graphics target not in topology

ERROR_GRAPHICS_TARGET_NOT_IN_TOPOLOGY (0xC0262340) belongs to the vidpn layer. It marks the requested target ID is absent from every present path in the supplied topology, rather than a generic rendering failure. The object that owns the decision is VidPN target membership.

Prove target membership from paths

A connected monitor or enumerated target does not automatically belong to every VidPN. Walk the candidate topology and match VidPnTargetId in each D3DKMDT_VIDPN_PRESENT_PATH. Capture the monitor child UID separately so a physical hot-plug event is not confused with logical topology membership. The controlled fix is to construct or select a path that references the target within the same candidate VidPN.

Capture before recreating objects

Capture itemWhy it matters
What to capturetarget ID, path enumeration, topology generation and monitor-child mapping
Current graph stateVidPN, topology, source and target mode sets, and the present path connecting them
Supporting tracesource and target IDs, topology generation, path descriptors, pinned modes, mode-set handles and monitor timing data
Object identityVidPN target membership
Rejected conditionthe requested target ID is absent from every present path in the supplied topology

Reproduce one variable at a time

  1. Capture the failing state. Record target ID, path enumeration, topology generation and monitor-child mapping.
  2. Add a path to the target in a disposable topology and repeat the operation.

The comparison with ERROR_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY is especially useful: ERROR_GRAPHICS_SOURCE_NOT_IN_TOPOLOGY applies to the source endpoint.

Recovery contract

Derive target membership from current paths and reacquire after hot-plug.

  • debug-layer, ETW or driver diagnostics no longer report the rejected VidPN target membership contract during the same scenario.

Implementation notes

Log source and target IDs, topology generation, path descriptors, pinned modes, mode-set handles and monitor timing data.

A production fallback should be explicit: pause rendering, re-enumerate, rebuild one cache entry, recreate a device, or decline a protected path only when this layer calls for that action. Reinstalling every display component, deleting all caches or forcing a resolution change is not an evidence-based fix.

Technical references


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