Design and Administration Definitions

  • A

    Active Directory

    Active Directory is Microsoft's trademarked directory service, an integral part of the Windows 2000 architecture. Like other directory services, such as Novell Directory Services (NDS), Active Directory is a centralized and standardized system. (Continued...)

  • Active Directory Certificate Services (AD CS)

    Active Directory Certificate Services (AD CS) is an Active Directory tool that lets administrators customize services in order to issue and manage public key certificates.

  • Active Directory domain (AD domain)

    An Active Directory domain is a collection of objects within a Microsoft Active Directory network. An object can be a single user or a group or it can be a hardware component, such as a computer or printer.

  • Active Directory forest (AD forest)

    An Active Directory forest is the highest level of organization within Active Directory. Each forest shares a single database, a single global address list and a security boundary. By default, a user or administrator in one forest cannot access another forest.

  • Active Directory functional levels

    Active Directory functional levels are controls that specify which advanced Active Directory domain features can be used in an enterprise domain. The enterprise domain is usually comprised of domain controllers that run on different versions of the Windows Server operating system.

  • Active Directory tree (AD tree)

    An Active Directory tree is a collection of domains within a Microsoft Active Directory network.

  • D

    DCPromo (Domain Controller Promoter)

    DCPromo (Domain Controller Promoter) is a tool in Active Directory that installs and removes Active Directory Domain Services and promotes domain controllers.

  • I

    invocation ID

    An invocation ID is an ID number that identifies databases within Active Directory and changes as AD is in a restore process. Invocation IDs change during the restore process to make sure replication is consistent.

  • M

    Microsoft Active Directory Domain Services (AD DS)

    Active Directory Domain Services (AD DS) is a server role in Active Directory that allows admins to manage and store information about resources from a network, as well as application data, in a distributed database.

  • Microsoft Active Directory Rights Management Services (AD Rights Management Services)

    Active Directory Rights Management Services (AD RMS) is a security tool that provides a safeguard to prevent unauthorized access to data.

  • Microsoft Dynamic Access Control (DAC)

    Microsoft Dynamic Access Control (DAC) is a data governance tool in Windows Server 2012 that lets admins control the permission of access settings in an organization.

  • O

    organizational unit (OU)

    An organizational unit (OU) is a container within a Microsoft Active Directory domain which can hold users, groups and computers.

  • T

    transitive trust

    Transitive trust is a two-way relationship automatically created between parent and child domains in a Microsoft Active Directory forest.

  • U

    update sequence number (USN)

    An update sequence number (USN) is a 64-bit number in Active Directory that increments time as changes occur. Local counters on every domain controller assign USNs.

  • V

    VPN Reconnect

    VPN Reconnect is a feature of Windows 7 and Windows Server 2008 R2 that allows a virtual private network (VPN) connection to remain open during a brief interruption of Internet service.

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