While working on 2D/3D consistency checker issue, there is a warning sign on the pipeline node which indicates the inconsistency in component data even though the properties match.
This issue occurs mostly when a component is placed from the component task bars rather than from the consistency checker itself. To Identify the cause follow the steps below.
http://communities.bentley.com/products/plant/design___engineering/w/plant_design_and_engineering__wiki/29758.how-to-exclude-a-property-from-consistency-checker
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