Physically moving Root domain controllers

Posted on 2005-05-06
Last Modified: 2010-04-14
Hi We currently have a Windows 2000 multidomain environemnt.  The netwokr currently looks like:

Pittshburgh- and (10.1.1.x/24)
Chicago - (10.8.1.x/24)
Denver - (10.6.1.x/24)

We need to move the root domain controllers from Pittsburgh to Chicago or Denver because the data ctr in Pittsburgh is going away.  

1.  Are there any major concerns with moving root DC from one location to another?
2.  Should I move one to Chicago and one to Denver for fault tolerance?

Thanks, Jaime
Question by:MED3000
    LVL 8

    Expert Comment

    by:Leandro Iacono
    1.  Are there any major concerns with moving root DC from one location to another?

    Not really. You would just have to reconfigure your "Sites"

    2.  Should I move one to Chicago and one to Denver for fault tolerance?

    That depends on you. You could have 2 DC in Denver and have Fault Tolerance or have one DC at each location.

    In any case, if one of either fail than the other would be used, thus accomplishing fault tolerance.

    What you really want to have in mind here is the Site Configruation.

    Obviously its not the same if you have one DC at each site than if you have both at one location.

    However, take the following example into notice.

    Say that you have both root domain DC's at Denver.

    Now lets say you are at Chicago, and want to create a new domain or you want to modify the schema. Since both those FSMO Roles are in Denver, you'll probably have to wait some time to connect to the Rootdomains.

    If you would have one root DC in each location (meaning one root DC in each Site) it would be much "Faster" to connect to the root Domain DC and make the modifications.

    Other than that, there is no reason to have one DC in one place and another DC in the other.

    Just curious, where are all the root Domain users going? where are they going to be relocated?

    If half of them are going to each location you would obviously locate one DC at each location ...

    Do you understand where I'm going?

    Hope so ... jejeje

    LVL 35

    Accepted Solution

    <laughing>, you have asked many questions here.

    You have three domain controllers in your network with different sites configured. Just apply the logic: -         
    10.1.1.x/24                                  10.8.1.x/24                              10.6.1.x/24

    20 users                                       50 users                                 30 users

    Now see the clients in site-10.1.1.x/24 won't be able to find domain controller in network. If they are also moving to the same site where root domain controller is goging then there is no problem at all. You need to do one thing only that is configuing the site again for Chicago or Denver (The same site for both domain controllers). You don't need to play with FSMO Roles because you are not replacing the server only moving it physically from one location to another. So only need to re-configure sites using Active Directory Sites and Services. One more thing i want to tell you that is about User Authentication. User will find domain controller in their own site first if domain controller is not located in the site then client will find in Default-First-Site.

    Let me know.
    LVL 8

    Expert Comment

    by:Leandro Iacono
    I really don't understand what you meant by: "UICE,
    <laughing>, you have asked many questions here. "

    But as you said, and as I meant depending on some minor factors such as client relocation, where the DCs should go. Depending on where the DCs go, how you should reconfigure sites.

    It is true I could of said that in 3 sentences like I did above, but I wanted to be a bit more poetic ... I guess ... lol

    Anyways, good luck on the relocation mate.

    No offense taken obviously SystmProg, but did you mean to say that what I suggested is incorrect? just curious ...

    cheers, and nice seeing you around mate!

    LVL 35

    Expert Comment

    by:Nick Sui
    >>>No offense taken obviously SystmProg, but did you mean to say that what I suggested is incorrect? just curious ...

    No man, it was a friendly talk. You are right at your place. First of all how can you think so much about me? Remember everytime you can't be professional even if you try your level best. Sometimes you have to see your back to have some fun.

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