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STATUS_GRAPHICS_MAX_NUM_PATHS_REACHED
The topology has reached its supported path limit
A VidPN topology is a set of source-target present paths, and there is a maximum number of paths that can be represented or supported for the adapter and interface. This status means adding another path would exceed that limit.
This is not the same as a mode being unsupported. The individual source and target might both be valid, but the topology already contains too many paths. Clone and multi-monitor expansion code should therefore log path count and topology shape, not only the failing endpoint.
What to check
- Count current paths before attempting augmentation.
- Check clone layouts, because one source can create multiple target paths.
- Avoid retrying with the same topology; reduce candidate paths or build a simpler topology first.
References
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