Category Archives: Global Catalog

Global Catalog Server Placement

Global catalog servers are responsible for keeping a fully writable copy of objects in its own domain and a partial copy of all other domain’s objects in the forest. It facilitates querying about objects in the entire forest. Global catalog service is part of the domain controller services, and it cannot be separated. In a… Read More »

Does Global Catalog Really Needed for User Logon

It’s ultimately whether a global catalog is needed for users to log on to the domain is dependent on whether you are in a single or multiple domain forest. Single Domain Environments and the Global Catalog In a single domain environment, all domain controllers are capable of processing logon requests without contacting a global catalog… Read More »