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Exchange 2003 in 2008 R2 Domain....

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  • Exchange 2003 in 2008 R2 Domain....

    On our production network were running two 2003 R2 AD DCs and one 2003 R2 Server with Exchange 2003, along with various other servers and stuff etc...

    Were looking to upgrade the two DCs to 2008 R2 so we get better integration with Win7 and also it feels the right time to upgrade these two very old servers. Weve created a test network and have successfully added a 2008 R2 DC and demoted a 2003 R2 DC, transferred AD, DNS and DHCP etc. and all is well with Exchange, GPO and workstations. There are few steps that need to be taken in the right order but we now have a working list for when we look to implement this project on our production network.

    All the material I could find implicitly says to leave the forest and domain level at 2003 else exchange 2003 will break. So with this imprinted in our minds, weve left the forest and domain level at 2003.

    However, I was interested, so when we had finished our testing, I increased both the forest and domain level to 2008 R2 which is supposed to break Exchange 2003. Trouble is, it just carried on working. We can add & delete users, add & delete mailboxes, create GPOs etc.. but nothing seems to have broken Exchange. Does anyone know what is supposed to break with Exchange 2003 and why?

  • #2
    Re: Exchange 2003 in 2008 R2 Domain....

    You are reading old information.

    The latest support matrix has Exchange 2003 SP2 fully supported with Windows 2008 R2 Forest and Domain.

    http://technet.microsoft.com/en-us/l.../ff728623.aspx

    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: Exchange 2003 in 2008 R2 Domain....

      That's typical - even stuff on this site says it won't work. Thank you for responding and adding that link, it does appear to be supported.

      But the Exchange tools won't work on a 2008 R2 server, 64bit I guess, any new release to fix that problem?

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      • #4
        Re: Exchange 2003 in 2008 R2 Domain....

        give it a break.. things sometimes don't get updated.

        You could always edit the article and resubmit it.. ?
        Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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        • #5
          Re: Exchange 2003 in 2008 R2 Domain....

          Don't expect Exchange 2003 tools to work on a 64 bit system. That would require a complete rewrite, which Microsoft simply aren't going to do - particularly for a product that is out of support.

          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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