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How do two exchange servers work

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  • How do two exchange servers work

    I am trying to setup a test exchange environment and I can't find any documentation on this (or maybe its just really obvious), but I am trying to figure out what happens if I have two exchange server and one goes down. Would all of the mailboxes on that server not recieve email for the time that the server is down? Even if I setup the MX records for both servers would exchange still except email for a person that doesn't have a mailbox on its server? Or is the only way to get around this problem is to cluster exchange servers? Thanks.

  • #2
    Re: How do two exchange servers work

    The two servers just work together. If one server goes down then the other will continue to work and any email for uses on the down server will simply queue.
    If you have MX records pointing to both servers then Exchange will accept the email for uses on either machine.

    Simon
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: How do two exchange servers work

      Thanks a lot. I wasn't sure how exchange managed users, but I guess that's all through AD. I was afraid that if it didn't see the mailbox it would just ignore the email request.

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      • #4
        Re: How do two exchange servers work

        Yes - everything is stored in AD. If the address is in AD then Exchange will accept it. Once done it will try and deliver it to the correct server.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment

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