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DNS Name in AD

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  • DNS Name in AD

    Hello all,
    Thank you for any detailed feedback.
    I have configured domain numerous times for just practice purposes but never on a production environment. My weak point is the DNS name for the domain. Letís assume in this situation, that I have registered a domain called sample.com and this domain is hosted on the internet by a website hosting company. Now what DNS name do I choose for the domain for the company using Win 2003 server with Active Directory? During the dcpromo and configuring the Active Directory, I chose the name sample.com and received an error message saying the name already in use. I want to configure a forest root domain with Active Directory and I want to configure the same server to be an exchange 2003 server. This server is going to serve 30+ users.
    Thank you again.

  • #2
    Re: DNS Name in AD

    Use domainname.local for AD and make your DNS AD Integrated. THen you can add a another Primary (nonAD-Integrated)dns zone for your domainname.com. When you first try to use DNS AD will look in .local first and then .com. THis is nice if you don't want users on the internet,but want them to be able to view internal sites. For example your companys web site. Because they would put .com at the end your DNS would see an internal address for you site.

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    • #3
      Re: DNS Name in AD

      Thank you for your response. How about users trying to send and receive e-mails using the same sever as an Exchange server 2003? This domain will be in the private internal network and I donít know how it would work. I also want to make this server a FTP server for small file downloads. I really appreciate detailed answer simply because I am NOOB when it comes to building infrastructure from scratch.

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      • #4
        Re: DNS Name in AD

        i'm sorry to say, but then it's better to hire someone who have knowlegde about this.

        anyway, see
        http://petri.com/configure_exchange_...er_domains.htm
        Marcel
        Technical Consultant
        Netherlands
        http://www.phetios.com
        http://blog.nessus.nl

        MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
        "No matter how secure, there is always the human factor."

        "Enjoy life today, tomorrow may never come."
        "If you're going through hell, keep going. ~Winston Churchill"

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        • #5
          Re: DNS Name in AD

          Hi soccer.
          Dumber's right but here's my two cents.
          You can set it up as a child of sample.com like ad.sample.com. While it's technically possible to have sample.com be both internal and external, this is not recommended. Also, if you want to setup your internal namespace with a different 1st level domain (.com) choose something different than .local because of the issues it causes when Macs are present.
          Here's a Microsoft article about DNS http://technet2.microsoft.com/Window....mspx?mfr=true

          As for Exchange, you can have it accept any namespace you want. I have an Exchange server that accepts five different domain names and none of them are the same as the AD namespace.
          http://www.microsoft.com/technet/pro.../depguide.mspx
          Regards,
          Jeremy

          Network Consultant/Engineer
          Baltimore - Washington area and beyond
          www.gma-cpa.com

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          • #6
            Re: DNS Name in AD

            Thank you for all your responses including the Dumber's.
            It is not that I don't know anything. I even have taught AD classes before. As we all know, academic environment is different from production environment and for that reason I put my concerns in this forum. Every environment I have been working has had a preset networked LAN and WAN and basically I acted as a support person. If I want to have FTP server available for users on the Internet, do I have to configure DMZ on the router? The FTP server will be in the private network behind the router.

            Thank you again.

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            • #7
              Re: DNS Name in AD

              You could just forward port 21 to the ftp server.
              Regards,
              Jeremy

              Network Consultant/Engineer
              Baltimore - Washington area and beyond
              www.gma-cpa.com

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              • #8
                Re: DNS Name in AD

                Originally posted by JeremyW
                You could just forward port 21 to the ftp server.
                and port 20 too
                Guy Teverovsky
                "Smith & Wesson - the original point and click interface"

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