|Product:||Windows Operating System|
|Message:||The following site connection edge is needed by the topology graph:Source site: %1 Destination DSA: %2 Source DSA: %3 Transport: %4|
This is an Active Directory internal event. Internal events appear in Event Viewer only when the default logging level is changed. Most internal events are for informational purposes only. This event is logged when a site connection edge is needed by the Knowledge Consistency Checker (KCC) to complete the topology graph.
No user action is required.