In the Windows NT domain model, domains had to be bound together through trust relationships simply because the SAM databases used in those domains could not be joined. What this meant was that where a domain trusted another Windows NT domain, the members of the domain could access network resources located in the other domain. …
Recipient Objects Overview Active Directory objects such as user accounts, contacts and groups become recipient objects when e-mail address information is added to the object. The public folder is another type of recipient object. A public folder does not however usually have its own an email address. Exchange Server 2003 supports the following types of …
The Active Directory data store (directory) is the database that holds all directory information such as information on users, computer, groups, other objects, and the objects that users can access. It also includes other network components. The Active Directory data store is stored on the server’s hard disk by means of the Ntds.dit file. The …
A domain is a collection of computers and resources that share a common security database, in this case, the Active Directory database. Computers in the domain also have a common namespace. A namespace is the hierarchical grouping of service and object names that are stored in Active Directory and DNS. Active Directory and DNS namespaces …
Active Directory (AD) is a structure used on computers and servers running the Microsoft Windows operating system (OS). AD is used to store network, domain, and user information and was originally created by Microsoft in 1996. It was first deployed on Microsoft Windows 2000. Active directories provide a number of functions to include providing information …
Maintaining an Active Directory is a very important administrative task that one must schedule regularly to ensure that, in case of disaster, you can recover your lost or corrupted data and can repair the active directory database. Extensible Storage Engine (ESE) is the active directory database, which manage all the active directory objects in active …
The initial Windows NT versions were designed as single master network environments. The primary domain controller (PDC) was responsible for managing the domain database’s master copy. The PDC was therefore responsible for replicating any changes to the backup domain controllers (BDCs). In these environments, any changes had to be performed on the PDC, which then …
The Active Directory database is logically separated into directory partitions: Schema partition Configuration partition Domain partition Application partition Each partition is a unit of replication and each partition has its own replication topology. Replication occurs between directory partition replicas. Minimum two directory partitions are common among all domain controllers in the same forest: the schema …
Domain and forest functional levels provide a means of enabling additional domain and forest-wide Active Directory features, remove outdated backward compatibility in an environment, and improve Active Directory performance and security. In Windows 2000, the terminology for domain functional levels was domain modes. Forests in Windows 2000 have one mode and domains can have the …
Understanding Active Directory Security Principal Accounts Active Directory consists of a considerable number of objects, and variety of objects, of which, security principal accounts are one. Security principal accounts are Active Directory objects that are assigned unique security identifiers (SIDs), and are therefore used in authentication and Active Directory security. A security principal account can …