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UI_E_DIFFERENT_OWNER
The scope of UI_E_DIFFERENT_OWNER is Windows Animation Manager: an object was supplied to an animation owner other than the one that created it. Preserve 0x802A0009 beside the returning call before cleanup or retry creates a more generic secondary failure.
Read the condition first
Animation objects carry manager or storyboard ownership. Mixing transitions, variables, keyframes, or timers across independently created managers can leave COM interfaces valid while violating the graph’s ownership domain.
Keep neighboring conditions separate
UI_E_TRANSITION_ALREADY_USED is reuse within storyboard membership; DIFFERENT_OWNER is a broader ownership mismatch.
Do not compare only COM pointer values or assume all managers are interchangeable.
Incident record
- Owner identity for both objects.
- Creation factory for the parameter.
- Manager generation and thread.
- Cross-component cache or singleton source.
Reproduce without destroying evidence
The investigation should change one variable at a time and keep the original failing sample.
- First: Tag cached objects with their creating manager.
- Next: Create dependent objects from the same owner.
- Then: Remove global transition or keyframe caches as a control.
- Finally: Rebuild the entire minimal graph under one manager.
Three useful controls
- Fresh storyboard or animation object: a changed result separates retained object, connection, path, host, or device state from the original input. Hold constant: keep the timeline, transitions, and manager version fixed.
- Reduced failing operation: If this result follows the reduced step, the rejecting transition is localized. Hold constant: retain owner identity for both objects and remove only unrelated work.
- Targeted corrective control: Use this as a diagnostic branch rather than a blanket workaround: tag cached objects with their creating manager. Hold constant: keep the original failing sample available for the final regression test.
Definition of done
Closure requires the graph is assembled from one owner generation and survives repeated create-schedule-release cycles; then repeat the next lifecycle operation to detect stale state.
Technical references
The references below define the API family or storage/protocol behavior used to interpret this result.
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