Domain Controller GUID DNS name could not resolve

Discussion in 'DNS Server' started by John Wolfe, Apr 13, 2004.

  1. John Wolfe

    John Wolfe Guest

    Running "dcdiag" on an additional controller results in

    Domain Controller Diagnosis

    Performing initial setup:
    Done gathering initial info.

    Doing initial required tests

    Testing server: Default-First-Site-Name\DDSPS-BL10E-3
    Starting test: Connectivity
    DDSPS-BL10E-3's server GUID DNS name could not be
    resolved to an
    IP address. Check the DNS server, DHCP, server
    name, etc
    Although the Guid DNS name
    8e0fc6f72c7c._msdcs.DDSPS) couldn't be
    resolved, the server name (ddsps-BL10e-3.DDSPS)
    resolved to the IP
    address ( and was pingable. Check
    that the IP address
    is registered correctly with the DNS server.
    ......................... DDSPS-BL10E-3 failed
    test Connectivity

    Doing primary tests

    Testing server: Default-First-Site-Name\DDSPS-BL10E-3
    Skipping all tests, because server DDSPS-BL10E-3 is
    not responding to directory service requests

    Running enterprise tests on : DDSPS
    Starting test: Intersite
    ......................... DDSPS passed test
    Starting test: FsmoCheck
    Warning: DcGetDcName(GC_SERVER_REQUIRED) call
    failed, error 1355
    A Global Catalog Server could not be located -
    All GC's are down.
    ......................... DDSPS failed test

    I can find plenty of advice for windows 2000 which do not
    apply but nothing for windows 2003. I need some guidance
    to get these controllers replicated correctly.
    John Wolfe, Apr 13, 2004
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  2. John Wolfe

    Roger Abell Guest

    Windows 2000 guidance is applicable for this.
    How many DCs ? How is DNS service placed ?
    (Ex. DNS server on each DC using AD integrated zone(s))
    To what DNS server(s) do each DC point in their Tcp/Ip config.
    Are you actually using DDSPS as the DNS domain of the AD domain?
    Roger Abell, Apr 14, 2004
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  3. In
    The problem you are having is caused from what appears to be a single-label
    domain name (DDSPS). First problem is Windows Server 2003 cannot by default
    register its addresses in a single label domain name. You can make registry
    entries to enable this but that only fixes one side of the problem, DNS will
    still not recurse the single-label name so you are still going to have
    connectivity problems when the domain name needs to be resolved. For
    instance DNS will not be able to resolve the domain name to the IP addresses
    of the DFS shares on the DCs.
    Below is the KB that describes how to make DDNS registration in a
    single-label domain possible. Also, in the second KB article is a registry
    entry that is supposed to enable recursion of single-label names by DNS, I
    cannot report to you that it will allow DNS to resolve your single-label
    domain name.
    Your best real option available to you may be to undertake a domain rename
    operation available to you in Windows Server 2003, provided that there is no
    Exchange server in operation in the domain. I suggest that you contact
    Microsoft Product Support Services to obtain the latest tools and procedures
    for the domain rename operation.

    300684 - Information About Configuring Windows 2000 for Domains with
    Single-Label DNS Names;en-us;300684
    251384 - Delays in Name Resolution Using Microsoft DNS Server Forwarder

    Best regards,
    Kevin D4 Dad Goodknecht Sr. [MVP]
    Hope This Helps
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    Kevin D. Goodknecht [MVP], Apr 14, 2004
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