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Upgradation of server OS from Windows 2003 to windows 2008 R2

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  • Upgradation of server OS from Windows 2003 to windows 2008 R2

    HI

    In our envirnment ,we are having two Exchange cluster CCR 2007 ( total 4 node , 2 node each cluster) is running on windows 2003 OS .
    hence we need to upgrade the OS to windows 2008 .

    Can any one tell what i suppose to check if i need to upgrade the OS & application.

    1) windows 2008 + exchange 2007

    2) windows 2008 + exchange 2010

  • #2
    Re: Upgradation of server OS from Windows 2003 to windows 2008 R2

    your upgrade needs alot of planning.
    As a STARTING POINT you need to decide whether you're staying with Exchange 07, or moving to Exchange 2010, or to 2013 and weigh up the benefits of each.

    you need to check whether you're running Server 2003 x32 or x64.
    If it's x32, then Exchange 2007 isn't supported as a production product on a 32 bit platform.
    If it's x64, you might be able to do an inplace upgrade to 2008.
    if you want to go to 2010, you'll need to do an exchange migration first (new servers, install exchange 2010, migrate services, shut down old services, remove old servers from the organisation)
    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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    • #3
      Re: Upgradation of server OS from Windows 2003 to windows 2008 R2

      In place upgrades of Windows with Exchange installed is not supported. Therefore your only option is to migrate to a new build of Exchange.
      That will mean a completely new cluster etc.

      Personally I would go to Windows 2012 R2 with Exchange 2013, but if you insist on going one step down, Windows 2012 (NOT R2) with Exchange 2010 SP3 would be the next choice. I wouldn't consider Windows 2008/2008 R2 for a new installation.

      As for the rest - you need to do some research or engage a consultant. It is not something you do on a Friday afternoon. There are significant changes in client access between Exchange 2007 and 2010, and 2007 and 2013 which will require planning.

      Simon.
      --
      Simon Butler
      Exchange MVP

      Blog: http://blog.sembee.co.uk/
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