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Kerberos V5 authentication protocol

An authentication mechanism used to verify user or host identity. The Kerberos V5 authentication protocol is the default authentication service. Internet Protocol security (IPSec) can use the Kerberos protocol for authentication.

See also Internet Protocol security (IPSec).

Knowledge Consistency Checker (KCC)

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.

See also Active Directory.

See also domain controller.

See also forest.