Follow these steps to repair edge features whose length is near the snapping tolerance
- Add the Geometric Network Editing toolbar to ArcMap.
- In the ArcMap table of contents, select one of the feature classes that participates in the geometric network containing the illegal features.
- Click the Network Build Errors command to identify illegal features.
- Identify the edge features whose length is is near the snapping tolerance
These will have a build error code of 17
- Delete the feature
Generally, these types of build errors result in the edge feature being deleted as the feature is invalid and is usually an artifact.