Configure a domain controller in the parent domain as a reliable time source

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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Use this procedure to configure a domain controller as a reliable time source if you anticipate moving the PDC emulator role and do not want to reconfigure the Windows Time service afterward. If you are configuring a domain controller as a reliable time source for the forest root domain, perform the procedure Change the Windows Time service configuration on the previous PDC emulator in addition to this procedure. Although you have not moved the PDC emulator role, you must still configure the existing PDC emulator to no longer be the reliable time source for the domain.

Note

For more information about the w32tm command, type w32tm /? at a command prompt or see Windows Time Service Tools and Settings on the Microsoft Web site (https://go.microsoft.com/fwlink/?LinkId=42984).

Administrative Credentials

To perform this procedure locally on the domain controller, you must be a member of the Administrators group. To perform this procedure from a remote computer, you must be a member of the Domain Admins group.

To configure a domain controller in the parent domain as a reliable time source

  1. Open a Command Prompt.

  2. Type the following command and press ENTER:

    W32tm /config /reliable:yes /update