W2K3 Domain Server Needs to Join 2011 SBS Server Domain

Posted on 2011-10-25
Last Modified: 2013-12-02
I am in the process of implementing an SBS 2011 server to a small office network (10 users).  They currently connect to an existing Windows 2003 Server domain, and I will need to add this server to the SBS 2011 domain.  I will only utilitize this server in the SBS 2011 domain as an antivirus server, and other mundane tasks.  I need to know the steps of joining this server to the new 2011 SBS domain.  I need specific steps in as much detail as possible.  I presume I will need to demote this server as a member server, and join it to the new domain.  I am not sure of the exact steps, so that's why I need something to reference.  Thank you for any feedback.
Question by:cmp119
    LVL 95

    Expert Comment

    by:Lee W, MVP
    Depends on how much of a headache you want.  It can be more involved and you can join the SBS server to the existing domain in a migration that makes the SBS server the FSMO master, or you can destroy the old domain (by running DCPROMO and removing it on the old DC) and then join it to the SBS domain through the System control panel.  It really is that simple if you choose the latter.   The problem with blowing away the domain is that you then have to deal with migrating user profiles to the new domain.  If the users don't care about their profiles (Outlook settings, favorites, documents, etc) then this isn't a problem.  If they do, then even for 10 users, this can be an hours long ordeal that could easily extend to days.

    Author Comment

    I am would rather spend more time up front and do it right.  I prefer removing all remnants of the W2K3 domain, and simply joining this server to the SBS 2011 domain as a member server.  I do not think I have the option of this second server replicate AD since we only have SBS 2011 Standard.  If I am wrong about that, please let me know.  I like the idea of having a second DC in the event the primary has problems.  I also don't want to complicate things either.  

    So I take it from your response, I simply need to run DCPromo on the W2K3 server and demote it to a member server.  Then on the W2K3 member I simply navigate to the http://connect site as needs to be done with workstations to join the SBS 2011 domain.  Once complete this server will appear in the SBS console.  The reason why I ask is I am not sure what you mean of System Control Panel.  Since I've not had the need to join another server to an SBS 2011 domain before, its best I ask so I have a complete understanding.  Thanks in advance.
    LVL 95

    Accepted Solution

    for the workstations, I definitely use the Http://connect site, but for the server, I would just join it through the system control panel.  

    Yes, just demote it.  Remember ALL security information will need to be reset.

    Also, you can have as many servers and DCs in an SBS domain as you like - the restriction is that the SBS server MUST be the FSMO master DC (and a global catalog).  This restriction means you can only have one SBS server - but other servers and DCs are fine so long as they are "Small Business Server" systems.

    Author Comment

    Please clarify "- but other servers and DCs are fine so long as they are "Small Business Server" systems."

    I am trying to understand this statement.  Are you saying a server can only join an SBS 2011 domain if its another SBS server.  My situation I only have a W2k3 Standard server that is currently a DC that will be demoted.  Please clarify this for me.  Thank you.

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