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  • Second Exchange Server.

    Hi,

    Our company currently has a hq and 2 branch offices. HQ has a DC as do each of the brand offices. IPSEC VPN between sites. No comms issues.

    HQ also has the exchange 2012 server onsite. For DR, the business wants the email hosted in multiple locations at once.

    How possible is it to have 2 exchange servers in the organisation hosting email and replicating mailboxes?

    Thanks,

  • #2
    Re: Second Exchange Server.

    You can add a second Exchange server in DR, add CAS, HT and Mailbox roles to it and configure it appropriately for DR site. You would then create a DAG and add mailboxes to be replicated to the DAG. The database's activation preference should be 1 for HQ and 2 for DR. You should also activate Data Center Coordination Mode on the Exchange server in DR.
    Last edited by Virtual; 8th November 2012, 13:24.

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    • #3
      Re: Second Exchange Server.

      Note please that to create a DAG, you must be using Windows Server Enterprise edition, to make use of the clustering features
      Tom Jones
      MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
      PhD, MSc, FIAP, MIITT
      IT Trainer / Consultant
      Ossian Ltd
      Scotland

      ** Remember to give credit where credit is due and leave reputation points where appropriate **

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      • #4
        Re: Second Exchange Server.

        Originally posted by Ossian View Post
        Note please that to create a DAG, you must be using Windows Server Enterprise edition, to make use of the clustering features
        Do both servers need to be Enterprise edition? First Exchange box is running Standard.

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        • #5
          Re: Second Exchange Server.

          Yes -- sorry
          (And - AFAIK - there is no upgrade option with Exchange already installed)
          Tom Jones
          MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
          PhD, MSc, FIAP, MIITT
          IT Trainer / Consultant
          Ossian Ltd
          Scotland

          ** Remember to give credit where credit is due and leave reputation points where appropriate **

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          • #6
            Re: Second Exchange Server.

            Just be aware that it isn't recommended to run active/active - where you have active mailboxes on both servers in seperate physical locations. So a server in a DR location would just be copies, users wouldn't be accessing it.
            If you want to have users accessing a local copy and replicating the data to another site then ideally you would have an active server in each location and a passive server in another.

            Active/Active is fine while the connection between the sites is up, but when the link fails, you get split brain scenario, so one of the sites will be down.

            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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