"Active Directory offers five basic containers: forest, tree, domain, site and OU. These containers, used to segment and organize a network, were designed with specific uses and restrictions in mind. Thus, it is important to understand these restrictions when planning out your AD-based network.
Forests are used to create a structure with administrative independence and autonomy from any other forest. Each forest has its own unique schema. In most cases, a single organization should have a single forest. The reasons for multiple forests include merger or acquisition of an existing IT depart…