How to define different impact rules to different parents from one child, on the Service Map for Event ManagementSummaryOut of the box, on Service Map, if a child has two parent, the Impact rule on this child applies to both parents. This KB demonstrate how to apply different impact rules for different parents from same child. Below screenshot illustrates the map you can achieve. However, please note due to the complexity of the workaround, this is not recommended. Instead, we recommend you to follow KB0755878 to submit a feature request. Instructions To impact next calculation (for new coming events), go and update in em_impact_graph To recalculate existing impact Change in em_impact_graph the status to “Calculating”Change in em_impact_changes this service to “done_building” To see it in UI: in JSON stored in the most new record of em_impact_graph_history, manually update the contribution_percent (you can locate the nodes based on the child_id and parent_id - comparing to em_impact_graph). Save changes, then refresh webpage on the map.