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Windows Server 2012 Thread, Upgrade to server 2012 in Technical; Hello We are currently running 2008r2 dcs. Is it safe to do an in place upgrade to 2012 or I'm ...
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    ful56_uk's Avatar
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    Upgrade to server 2012

    Hello

    We are currently running 2008r2 dcs.

    Is it safe to do an in place upgrade to 2012 or I'm I better of creating new dcs and moving roles across like ad,dns, dhcp, pki?

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    FN-GM's Avatar
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    I always (well try to) start a fresh. I dont really trust the Windows upgrades. Before you do it anyway i would demote the DC just incase it goes wrong.

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    ful56_uk's Avatar
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    Upgrade to server 2012

    Yeah was thinking of that just being a bit lazy

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    To be honest a DC wouldnt get much longer to setup. Maybe another 30 mins on top?

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    Personally wouldnt risk it

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    FN-GM's Avatar
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    Im still waiting for SCCM SP1 to so i can upgrade. I have upgraded VMware vcenter and all my hosts, done the Forest and domain preps just support from SCCM. Typical of MS not to support there own product.

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    Upgrade to server 2012

    I'm in the same position waiting for sp1

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    Quote Originally Posted by ful56_uk View Post
    Hello

    We are currently running 2008r2 dcs.

    Is it safe to do an in place upgrade to 2012 or I'm I better of creating new dcs and moving roles across like ad,dns, dhcp, pki?
    We did in-place upgrades of our DCs running full Windows 2008 R2 to 2012 and rebuilt our Windows Core ones as the upgrader doesn't support in-place upgrades of DCs and DNS servers running Core. So far, we've not had any problems and the upgrade process went smoothly. I will say that our DCs are just DCs and DNS servers, nothing else. DHCP, cert services and other roles are farmed out to other servers.

    You will need to run forestprep and adprep before the upgrade.

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    You will need to run forestprep and adprep before the upgrade.
    In 2012 it will do it for you during the upgrade if it hasnt been done before.

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    Quote Originally Posted by ful56_uk View Post

    Is it safe to do an in place upgrade to 2012 or I'm I better of creating new dcs and moving roles across like ad,dns, dhcp, pki?
    Your safer to let others do it first, then upgrade 12months later once they have blogged their mistakes and MS have patched theirs.

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