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PDC Emulator FSMO Role

Overview#

PDC Emulator FSMO Role (PDC) PDC Emulator FSMO Role is a Flexible Single Master Operation and a single Domain Controller is necessary to synchronize time in an Microsoft Active Directory.

Windows includes the W32Time (Windows Time service) that is required by the Kerberos authentication protocol. All Windows-based computers within an enterprise use a common time. The purpose of the time service is to ensure that the Windows Time service uses a hierarchical relationship that controls authority and does not permit loops to ensure appropriate common time usage.

PDC Emulator FSMO Role of a AD DOMAIN is authoritative for the domain. The PDC Emulator FSMO Role at the root of the AD Forest becomes authoritative for the enterprise, and should be configured to gather the time from an external source. All PDC Emulator FSMO Role holders follow the hierarchy of domains in the selection of their in-bound time partner.

In a AD DOMAIN, the PDC Emulator FSMO Role holder retains the following functions:

This part of the PDC Emulator FSMO Role becomes unnecessary when all workstations, member servers, and domain controllers that are running Windows NT 4.0 or earlier are all upgraded to Windows Server 2000.

PDC Emulator FSMO Role must still performs the other functions as described in a Windows Server 2000 environment.

There is only one PDC Emulator FSMO Role per AD DOMAIN within a AD Forest

More Information#

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