Abbreviation for Knowledge Consistency Checker, a tool that is responsible for maintaining replication paths between and within Active Directory sites.
Knowledge Consistency Checker. A built-in process that runs on all domain controllers and generates the replication topology for the Active Directory forest. At specified intervals, the KCC reviews and makes modifications to the replication topology to ensure propagation of data either directly or transitively.
Knowledge Consistency Checker. An AD function that monitors and dynamically configures replication connection objects between domain controllers.