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Replication Topology

Replication topology is the set of connections by which ___domain controllers in a forest synchronize the directory partition replicas that they have in common. Replication topology is created on the basis of information stored in Active Directory.

The Knowledge Consistency Checker (KCC) is a built-in process that runs on all ___domain controllers and creates the replication topology for the forest. By default, the KCC runs at 15-minute intervals and designates the replication routes between ___domain controllers on the basis of the most favorable connections that are available at the time. The KCC creates replication connections between ___domain controllers in the same site automatically. When you have more than one site, you configure links between the sites; the KCC can then create the connections automatically between the sites as well.