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STATUS_GRAPHICS_INVALID_VIDPN_TARGET_SUBSET_TYPE
The target subset selector is not one of the valid VidPN forms
Some VidPN operations ask for a subset of targets rather than every target on the adapter. The subset type tells the interface which grouping rule to apply. This status means the selector itself is not valid for the interface call.
Look for an uninitialized enum value, a version mismatch in caller-side structures, or code that passes a source-subset concept to a target-subset function. It is a contract problem in the parameters, not evidence that a particular monitor failed.
What to check
- Log the numeric subset type and the structure size passed to the interface.
- Make sure the call uses target-subset constants, not source-set or topology recommendation values.
- Initialize all VidPN parameter structures before setting only selected fields.
References
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