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  • DNS Server failing DCDiag

    I have 3 DNS servers, two of which are also Domain Controllers.

    The problem that I am having is that DCDiag is showing a delegated server that is not even a DNS server nor a DC.

    It is also not showing the other DNS server at all. Which is a DC.

    I checked DNS MNGMT and it is correctly listing the Name Servers for the Domain.

    Not sure where DCDiag is pulling the Delegated Servers from.

    Any suggestions would be appreciated.

  • #2
    Re: DNS Server failing DCDiag

    Double-check IP settings on the servers. Use the GUI or run
    netsh interface ip show dns
    on the computers to make sure you do not have any left-over DNS configuration.

    Have you got any idea what the offending address is pointing to? Maybe a router that provides DNS services?

    -vP

    Comment


    • #3
      Re: DNS Server failing DCDiag

      Can you post the dcdiag output?
      Caesar's cipher - 3

      ZKHQ BRX HYHQWXDOOB GHFLSKHU WKLV BRX ZLOO UHDOLVH LW ZDV D ZDVWH RI WLPH!

      SFX JNRS FC U6 MNGR

      Comment


      • #4
        Re: DNS Server failing DCDiag

        Performing initial setup:
        Done gathering initial info.
        Doing initial required tests

        Testing server: THS\ThisDNS
        Starting test: Connectivity
        ......................... ThisDNS passed test Connectivity
        Doing primary tests

        Testing server: THS\ThisDNS

        Running partition tests on : ForestDnsZones

        Running partition tests on : DomainDnsZones

        Running partition tests on : Schema

        Running partition tests on : Configuration

        Running partition tests on : mydomain

        Running enterprise tests on : mydomain.local
        Starting test: DNS
        Test results for domain controllers:

        DC: ThisDNS.mydomain.local
        Domain: mydomain.local

        TEST: Delegations (Del)
        Error: DNS server: notaDNS.mydomain.local. IP:10.24.0.51 [Broken delegated domain _msdcs.mydomain.local.]

        Summary of test results for DNS servers used by the above domain controllers:
        DNS server: 10.24.0.51 (notaDNS.mydomain.local.)
        1 test failure on this DNS server
        This is not a valid DNS server. PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 10.24.0.51
        Delegation is broken for the domain _msdcs.mydomain.local. on the DNS server 10.24.0.51

        Summary of DNS test results:

        Auth Basc Forw Del Dyn RReg Ext
        __________________________________________________ ______________
        Domain: mydomain.local
        ThisDNS PASS PASS PASS FAIL PASS PASS n/a

        ......................... mydomain.local failed test DNS

        Comment


        • #5
          Re: DNS Server failing DCDiag

          C:\Documents and Settings\Administrator.mydomain>netsh interface ip show dns
          Configuration for interface "Local Area Connection 2"
          Statically Configured DNS Servers: 10.24.0.66
          10.24.0.59
          Register with which suffix: Primary only

          C:\Documents and Settings\Administrator.mydomain>

          Comment


          • #6
            Re: DNS Server failing DCDiag

            Originally posted by TimCFOH View Post
            C:\Documents and Settings\Administrator.mydomain>netsh interface ip show dns
            Configuration for interface "Local Area Connection 2"
            Statically Configured DNS Servers: 10.24.0.66
            10.24.0.59
            Register with which suffix: Primary only

            C:\Documents and Settings\Administrator.mydomain>
            Is this on the client or the DC? can you post a ipconfig /all from the Dc if that's not the case? and also what does 10.24.0.51 in your network?
            Caesar's cipher - 3

            ZKHQ BRX HYHQWXDOOB GHFLSKHU WKLV BRX ZLOO UHDOLVH LW ZDV D ZDVWH RI WLPH!

            SFX JNRS FC U6 MNGR

            Comment


            • #7
              Re: DNS Server failing DCDiag

              I am also recieving:
              The browser service has failed to retrieve the backup list too many times on transport. bla bla bla

              The network adapter name is Local Area Connection 2. Could there be some ghosts from a prior Network adapter? This box was converted to a VM a few years ago before I arrived at this location.

              Comment


              • #8
                Re: DNS Server failing DCDiag

                That was the ip config of the Domain controller running DNS.

                10.24.0.51 is an ip address of a member server not running DNS.

                Comment


                • #9
                  Re: DNS Server failing DCDiag

                  BTW. I cheated
                  http://web.forret.com/tools/rot13.asp

                  Comment


                  • #10
                    Re: DNS Server failing DCDiag

                    The reason I asked for the ipconfig is so I have a full view of how the server is configured.
                    Any errors logged on the DNS or the DC?
                    As per the other issue i think it may be related to this: http://support.microsoft.com/kb/314872

                    Nice decryption skills btw. When nobody's hurt, The Ends Justify The Means..
                    Caesar's cipher - 3

                    ZKHQ BRX HYHQWXDOOB GHFLSKHU WKLV BRX ZLOO UHDOLVH LW ZDV D ZDVWH RI WLPH!

                    SFX JNRS FC U6 MNGR

                    Comment

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