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ERROR_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED
VidPN path has no pinned content-geometry transformation
ERROR_GRAPHICS_PATH_CONTENT_GEOMETRY_TRANSFORMATION_NOT_PINNED is HRESULT 2499409 (0x00262351) from winerror.h. The documented description is “Specified content transformation is not pinned on the specified VidPN present path.” In the Windows display topology or Desktop Window Manager operation, the value reports a nonfailure state that must not be collapsed into plain S_OK.
A cleared severity bit does not make the return equivalent to ordinary completion; the postcondition remains specific.
What must be true before accepting it
Verify that the transformation may remain unpinned at the current negotiation phase and callers requiring scaling or rotation wait for commitment. That proof prevents usable partial state from being confused with full completion.
Where the status is encountered
- VidPN mode-set, topology, and path negotiation; capture the exact API, object, and phase because the same numeric success severity does not define the state by itself.
- Display miniport and graphics-kernel dataset enumeration;
- DWM composition and GDI redirection-surface handling;
Correct handling and recovery
Inspect supported transformations and pin one through the documented topology workflow before programming hardware.
A new attempt following it should be triggered by a meaningful transition, not merely by elapsed time.
Practical scenario
A display path is created before scaling policy is selected. The driver enumerates supported transformations and waits for the OS to pin one.
Difference from nearby results
This is about path geometry transformation, not source or target display mode pinning.
The distinction around it should be visible in control flow, telemetry classification, and user messaging.
References
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