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Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. Windows Server operating systems include it as a set of processes and services. [1][2] Originally, only centralized domain management used Active Directory. However, it ultimately became an umbrella title for various directory-based identity-related ...
In the original Windows Server Domain system (shipped with Windows NT 3.x/4), machines could only be viewed in two states from the administration tools; computers detected (on the network), and computers that actually belonged to the domain. Active Directory makes it easier for administrators to manage and deploy network changes and policies ...
Security Identifier. In the context of the Microsoft Windows NT line of operating systems, a Security Identifier (SID) is a unique, immutable identifier of a user, user group, or other security principal. A security principal has a single SID for life (in a given domain), and all properties of the principal, including its name, are associated ...
Active Directory can distribute GPOs to computers which belong to a Windows domain. By default, Microsoft Windows refreshes its policy settings every 90 minutes with a random 30 minutes offset. On domain controllers, Microsoft Windows does so every five minutes. During the refresh, it discovers, fetches and applies all GPOs that apply to the ...
When Windows 2000 was released, the NT domain as found in NT 4 and prior versions was replaced by Active Directory. In Active Directory domains running in native mode, the concept of the PDC and BDC do not exist. In these domains, all domain controllers are considered equals. A side effect of this change is the loss of ability to create a "read ...
Active Directory Federation Services (ADFS), a software component developed by Microsoft, can run on Windows Server operating systems to provide users with single sign-on access to systems and applications located across organizational boundaries. It uses a claims-based access-control authorization model to maintain application security and to ...
The software and operating system used to run a domain controller usually consists of several key components shared across platforms.This includes the operating system (usually Windows Server or Linux), an LDAP service (Red Hat Directory Server, etc.), a network time service (ntpd, chrony, etc.), and a computer network authentication protocol (usually Kerberos). [4]
Windows 7 is a major release of the Windows NT ... as Encrypting File System and the ability to join a domain. ... on machines connected to Active Directory, machines ...