Mastering Active Directory

Knowledge Consistency Checker

When I explained about the replication, I mentioned Active Directory automatically creates replication links, select bridgehead servers…, and so on. But how does it really do it? KCC is the one responsible for all these. The KCC is a built-in service in Active Directory domain controllers, and is responsible for generating and maintaining the replication topology for intra- and inter-site replications. Every 15 minutes, KCC will revalidate its existing replication topology and make the topology changes if required. It gives enough time for domain controllers to replicate the changes if the existing replication topology is valid.

When it comes to inter-site, KCC selects a single KCC holder in a remote site to ...