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    Secondary Domain Controller Setup

    IT Discussion
    windows active directory domain controller
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    • coliverC
      coliver @bbiAngie
      last edited by

      @bbiAngie said:

      Based on what you all say, all I really need to do is promote it to a DC, then point it back to my current "primary," let it do its thing then I should be done. (besides re-pointing DNS)

      You don't even need to do that. Promoting it will do all of this for you.

      1 Reply Last reply Reply Quote 0
      • J
        Jason Banned @Dashrender
        last edited by Jason

        @Dashrender said:

        DNS isn't required, or mandated by the promotion (unless that was changed in 2012 R2) but I'd highly recommend it (might even be considered best practices) and should be offered to be installed during promotion if you don't already have it installed.

        DHCP isn't required. DNS very much is a required part of a DC (but doesn't have to be on the same server)

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        • bbiAngieB
          bbiAngie
          last edited by

          Cool, like I said, it just seemed way to easy to be correct. Glad made sure before!

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          • bbiAngieB
            bbiAngie
            last edited by

            A delegation for the DNS server cannot be created because the authoritative parent zone cannot be found or it does not run in Windows NS server. If you are integrating with an existing DNS infrastructure, you should manually create a delegation to this DNS server in the parent zone to ensure reliable name resolution from outside the domain "domain.name.". Otherwise, no action is required.

            Translation?

            J 1 Reply Last reply Reply Quote 1
            • DashrenderD
              Dashrender @bbiAngie
              last edited by

              @bbiAngie said:

              Based on what you all say, all I really need to do is promote it to a DC, then point it back to my current "primary," let it do its thing then I should be done. (besides re-pointing DNS)

              Pretty much - I've never seen a failure when promoting a DC. Before you promote the DC, make sure the primarily DNS points to one of the other DCs (which it probably already does). You don't need to change this until just before you demote the old one.

              scottalanmillerS 1 Reply Last reply Reply Quote 0
              • scottalanmillerS
                scottalanmiller @Dashrender
                last edited by

                @Dashrender said:

                Pretty much - I've never seen a failure when promoting a DC.

                I see it most times, normally a DNS error.

                1 Reply Last reply Reply Quote 1
                • J
                  Jason Banned @bbiAngie
                  last edited by

                  @bbiAngie said:

                  A delegation for the DNS server cannot be created because the authoritative parent zone cannot be found or it does not run in Windows NS server. If you are integrating with an existing DNS infrastructure, you should manually create a delegation to this DNS server in the parent zone to ensure reliable name resolution from outside the domain "domain.name.". Otherwise, no action is required.

                  Translation?

                  It means it couldn't created one at the root, this is expected in many cases as the .com or root dns is not yours.

                  bbiAngieB 1 Reply Last reply Reply Quote 0
                  • bbiAngieB
                    bbiAngie @Jason
                    last edited by bbiAngie

                    @Jason Is that most likely since one already exists? Should I just click through the error and do all the dns stuff after?

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                    • DashrenderD
                      Dashrender
                      last edited by

                      Do you get that when you try to install DNS before you promote your server to AD DS?

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                      • bbiAngieB
                        bbiAngie
                        last edited by

                        I am getting it during the DNS options while doing the Promo

                        J 1 Reply Last reply Reply Quote 0
                        • H
                          hubtechagain
                          last edited by

                          click through, I always get that one 🙂

                          1 Reply Last reply Reply Quote 0
                          • J
                            Jason Banned @bbiAngie
                            last edited by

                            @bbiAngie said:

                            I am getting it during the DNS options while doing the Promo

                            Click through it it's normal in most setups as the parent zone is not something that's yours.

                            1 Reply Last reply Reply Quote 0
                            • Reid CooperR
                              Reid Cooper
                              last edited by

                              How did your DC promotion go? Is it working now?

                              1 Reply Last reply Reply Quote 0
                              • bbiAngieB
                                bbiAngie
                                last edited by

                                Pretty sure it is all working. I need to fix a few DNS settings but that's related to the hardware firewall. Other than that it seems to be working/replicating.

                                1 Reply Last reply Reply Quote 1
                                • scottalanmillerS
                                  scottalanmiller
                                  last edited by

                                  Awesome, glad to hear that the project worked. Go MangoLassi team!

                                  1 Reply Last reply Reply Quote 0
                                  • bbiAngieB
                                    bbiAngie
                                    last edited by

                                    Yes, Thank you all for the help. The confirmation that it was "really that easy" was exactly what I needed!

                                    1 Reply Last reply Reply Quote 1
                                    • DashrenderD
                                      Dashrender
                                      last edited by

                                      Sweet - a tech question answered!!!

                                      scottalanmillerS 1 Reply Last reply Reply Quote 0
                                      • scottalanmillerS
                                        scottalanmiller @Dashrender
                                        last edited by

                                        @Dashrender said:

                                        Sweet - a tech question answered!!!

                                        Every once in a while....

                                        1 Reply Last reply Reply Quote 0
                                        • BRRABillB
                                          BRRABill
                                          last edited by

                                          This is my week to resurrect threads from the dead.

                                          I am doing this as well this week.

                                          Currently have 2 physical DCs running 2003. One of them is also our data server. (I know, I know, on all these fronts.)

                                          Anywho...

                                          I have installed a fresh 2003 Server, and am planning to promote that, and move all the roles to it. Then demote the other two DCs and P2V them.

                                          So, hoping it really is "just that simple." 🙂

                                          1 Reply Last reply Reply Quote 2
                                          • momurdaM
                                            momurda
                                            last edited by

                                            I did something similar a while back with ancient win2k3 server serving AD, DNS, DHCP, file, print services. I demoted, removed AD, removed dns and dhcp. Then i p2v'd it.
                                            It really is very simple to do.

                                            BRRABillB 1 Reply Last reply Reply Quote 0
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