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  • global catalog servers

    I'm having a problem with one of my windows 2000 child domains.

    it keeps erroring out saying that it cannot contact the gc.

    now as i understand, you can have multiple global catalog servers in an entire forest.

    so a child domain of a forest, can be a global catalog server.

    where would the record be?

    I can't find the GC record. How can I recreate it?

    under the ad site and services, the dc is promoted as a global catalog for the local domain.

  • #2
    Re: global catalog servers

    > I can't find the GC record. How can I recreate it?

    It's in the _msdcs zone of the forest root domain. you should NOT recreate it. The DC does it itself. If it fails to do so, your DNS or network is broken.

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    • #3
      Re: global catalog servers

      To make a Domain Controller a Global Catalog you must enable it in Active Directory Site and Services.

      Go to Active Directory Sites and Services
      Expand your sites until you find the server in question
      Expand the server name
      Right click NTDS Settings and on the General Tab check the Global Catalog check box.
      Replicate you AD connections
      This should now add the relevant GC records to DNS.

      As a general rule you should have at least one GC in each site in each Domain.

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      • #4
        Re: global catalog servers

        see thats odd,

        i had a feeling it should be there.

        the GC record should not be in the child domain, as i understand it gc has forest wide function so should not be in the child domain _msdc folder.


        i followed this article and it described exactly my issue.

        http://techrepublic.com.com/5100-6268_11-1048225-3.html


        after i did recreate the record here, the GC folder was recreated automatically by the global catalog server.

        now all my systems are communicating fine.

        I am at a lost of what actually happened.


        thanks for the replying guys.

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        • #5
          Re: global catalog servers

          Looks to me that you buried the real problem, exactly like the guys in that article. Those records register automatically. If they don't, there is a configuration problem somewhere, most likely with DNS. Oh well....

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          • #6
            Re: global catalog servers

            according to your other response on the other thread of mine,

            if i've never created a secondary copy of the forest root zone, should that record be automatically created?

            or only when i've created a secondary zone copy of the root dns?

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            • #7
              Re: global catalog servers

              if i've never created a secondary copy of the forest root zone, should that record be automatically created?

              or only when i've created a secondary zone copy of the root dns?
              It should be created if you have a proper forwarding structure. This will allow the child to find the parent domain. It will also work if you have a secondary zone. Of course, if you have firewalls all bets are off

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              • #8
                Re: global catalog servers

                ah i see


                thanks

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