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Retiring my Server 2008's AD for Server 2012 R2

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  • Retiring my Server 2008's AD for Server 2012 R2

    Hi people

    I just got my new mission of retiring my two Server 2008 AD's and i need to install two

    new machines (one virtual, one physical) SERVER 2012 R2 to replace them.

    I worked through projects before but this one is a bit more dangerous....

    im planning on installing the new servers and move all of the roles to them

    FSMO, they both will hold DNS and DHCP, CA Authority, NTP

    i need guidance from someone out there who did the same job in order to get it right

    once the process is over im to shutdown the older servers

    any help would do

    thanks

  • #2
    Re: Retiring my Server 2008's AD for Server 2012 R2

    (IMHO) no changes from usual:
    Introduce the new DCs
    Add other roles (DNS / DHCP) as needed
    Check replication is OK
    Change DNS / DHCP to use new DCs
    Transfer FSMOs
    Demote old DCs

    Did it recently without issues in about a day (small network) - the trick is to reduce DHCP leases to a fairly short time so the clients pick up the new ones OK
    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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    • #3
      Re: Retiring my Server 2008's AD for Server 2012 R2

      thanks

      im gonna build on that

      Comment


      • #4
        Re: Retiring my Server 2008's AD for Server 2012 R2

        I would verify application compatibility with 2012 R2 DC's before moving forward. One glaring incompatibility is Exchange. Exchange 2013 will add support soon but from what Sembee says, the other versions won't be supported.
        Regards,
        Jeremy

        Network Consultant/Engineer
        Baltimore - Washington area and beyond
        www.gma-cpa.com

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        • #5
          Re: Retiring my Server 2008's AD for Server 2012 R2

          Exchange 2013 CU4, probably being termed as SP1, is supposed to be providing support for 2012 R2.

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