Moving from SBS 2008 to Server Std and Exchange 2010 separate hardware

Posted on 2012-09-13
Last Modified: 2012-09-13
Hi All,

One of our customers has outgrown SBS 2008 75 users (or will do in the life of their new servers).

We are separating the roles and installing 2 new servers, both 2008 R2, one will be the DC and the other will be Exchange 2010.

Is it best to create a new internal domain and export all mail to PST's, then re-import or can we do a migration of AD and Exchange?

Question by:TrentSlater
    LVL 63

    Accepted Solution

    There is no need to go to a new domain.
    Just build a new domain controller and new Exchange server and do a regular migration. SBS allows the introduction of additional full products servers.

    The only time you will get an issue is moving the FSMO roles, but that can be done last.
    So rough plan:

    1. Build DC.
    2. Build Exchange.
    3. Migration Exchange
    4. Remove Exchange from SBS.
    5. Move all other data.
    6. Move FSMO roles.

    Obviously that is very high level.


    Author Comment

    Thanks Simon. The SBS box will be decommissioned so is there any need to demote it, or does this then transfer the role officially across to the new DC?
    LVL 63

    Expert Comment

    by:Simon Butler (Sembee)
    You still need to go through the full process to remove it. That includes DCPROMO and moving the roles around. Don't just shut it down as that will leave a mess behind. Just because it is SBS doesn't mean you shouldn't do a full migration in the same way as you would if using full products.


    Author Comment

    OK - sorry one last question - You are suggesting moving exchange before moving FSMO, would we have issues with mailboxes linking to accounts in AD if that was the order?
    LVL 95

    Assisted Solution

    by:Lee W, MVP
    Not Sembee here:

    The LAST thing you move is DEMOTE the SBS server.  The SECOND TO LAST thing you do is transfer the FSMO roles - once you do, it starts a clock that, if you're not 100% done in 3 weeks, will start shutting down the SBS server.

    As Sembee2 has stated, there is no problem with additional servers or DCs or even Exchange servers on an SBS network... so migrate to the new systems.  DO keep in mind that there may be left over group policies and the like and you'll want to clean them up too.

    And if you've never done this before, PLEASE, PLEASE, PLEASE, for your own safety, setup a test system and do it once or twice first so you know what to expect.  Virtualization is generally free and easy (my desktop is running Win8 and has 32 GB of RAM so I could have a dozen VMs running to test things - no reason you can't either).
    LVL 63

    Expert Comment

    by:Simon Butler (Sembee)
    You remove Exchange from a domain controller, not the other way round. It will not cause you any problems. Domain controllers replicate data. The only issue you will have is that Exchange (both the old and the new) will only use the SBS server for DC activity until you remove Exchange. Once you have removed Exchange you can restart the services on the new server and that should force Exchange to use the new DC instead.


    Author Comment

    Great - thanks for the heads up .We have 3 weeks before the install so we will test on our VM.

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