Mastering Active Directory - Second Edition

Global catalog server

The global catalog server holds the full writable copy of objects in its host domain, and the partial copy of the objects in other domains in the same forest. The partial replica contains a copy of every object in the forest and the most commonly used attributes in queries. Applications and users in one domain can query for the objects in another domain (in the same forest) via the global catalog server. All domain controllers in the domain will not be global catalog servers by default. When installing the first domain controller, it will become the global catalog server, and other domain controllers can be promoted as global catalog servers according to the business requirements. Not every domain controller in the domain ...