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Disable local subnet prioritization

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

You can use the following procedure to disable local subnet prioritization for multihomed names. You can perform this procedure by using the DNS snap-in or by using the Dnscmd command-line tool.

Administrative credentials

To perform this procedure, you must be a member of the Administrators group on the local computer, or you must have been delegated the appropriate authority. If the computer is joined to a domain, members of the Domain Admins group might be able to perform this procedure. As a security best practice, consider using the Run as command to perform this procedure.

Disabling local subnet prioritization

To disable local subnet prioritization using the Windows interface
  1. Open the DNS snap-in.

  2. In the console tree, click the applicable Domain Name System (DNS) server.

    Where?

    • DNS/applicable DNS server

  3. On the Action menu, click Properties.

  4. Click the Advanced tab.

  5. In Server options, clear the Enable netmask ordering check box, and then click OK.

noteNote
To open the DNS snap-in, click Start, point to Administrative Tools, and then click DNS.

To disable local subnet prioritization using the command line
  • At a command prompt, type the following command, and then press ENTER:

    dnscmd ServerName /Config /LocalNetPriority {1|0}

     

    Value Description

    ServerName

    Specifies the DNS host name of the DNS server. You can also type the Internet Protocol (IP) address of the DNS server. To specify the DNS server on the local computer, you can also type a period (.).

    /LocalNetPriority

    Configures netmask ordering.

    {1|0}

    To enable netmask ordering, type 1 (on). To disable netmask ordering, type 0 (off).

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