Reinstalling Domain Controller

Posted on 2011-10-14
Last Modified: 2013-12-02
Currently I have a Windows SBS 2008 and we planned on reinstalling this server with WIndows Server 2011 Essentials. Presently our SBS 2008 server is running active directory, dns and etc. I wanted to know the following:

1) If i reinstall the server how will the client machines react? Because when you login to a client machine using active directory it usually creates a users folder called username.domain I want to know if after i remove the client from the domain and have them re-join to the reinstalled server if it will work using that same profile assuming that it joins the domain name stays the same.

2) Also is there any way to simply export all the active directory/DNS/DHCP server info and re-import it after the reinstall?

Any help or advice would be appreciated.

Question by:checkmofoshoduno
    LVL 24

    Accepted Solution

    Instead of reinstalling
    1. install dc(2003/2008x86) in a desktop pc.
    2. Then transfer fsmo roles and make it a gc as well
    3. Install dns in the same pc configure secondary zone

    4. Restart the desktop dc
    5. Demote your old dc and and remove dns

    6. Format and Install sbs2008
    7. Promote it to a dc and install dns as well
    8. Transfer fsmo roles back and configure dns

    Author Comment

    I can't install it on a second pc =\
    LVL 26

    Expert Comment

    If you are just reinstalling the server, you will have to reattach the clients to the new server manualy also user profiles need to be built from scratch. A domain and users are using Security Identifiers, when you just install a new server all identifiers will be new.

    The only option te reuse the domain information is doing a migration, the option given by abbasiftt is the easiest option to only keep the domain information. But if you don't have this option, only thing you can do is doing a new installation and copy, recreate everything manual.
    LVL 24

    Expert Comment

    please explain why you cannot install DC on a pc

    Author Comment

    Argh fine. I guess i can do a virtual box or something temporarily. Do you have any recommended guides on how to transfer the roles?
    LVL 24

    Expert Comment


    Be careful, Using the Ntdsutil utility incorrectly may result in partial or complete loss of Active Directory functionality.


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