second domain controller

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This topic contains 3 replies, has 4 voices, and was last updated by  belch 1 year, 8 months ago.

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  • andrewfowler
    Member
    #166963

    newbie to server
    i have scoured the web and am getting conflicting information, do i need to add the second dc to the domain before running dcpromo, also will the second dc be a like for like copy of the first so if a goes off be will take over


    Ossian
    Moderator
    #191610

    I generally do add to the domain first – I don’t think it is required, though
    Yes, in AD all DCs are equal* so if one is not available another will take over. Assuming DNS is on the DCs, DNS will be replicated as well

    *I’m not going into FSMOs here – that is a lengthy piece of research in its own right.


    belch
    Member
    #391769

    i haqve don dcprom on secon all ok apart from if primmary dc of and secondary running no one can connec to net , tried to import dhcp from primary and get theis error Error while importing subnet 192.168.0.0 “coolc scope.” This subnet already exists on the local server.

    Blood
    Blood
    Moderator
    #337274

    You can’t replicate an entire DHCP scope between servers. Try configuring a split scope instead.
    https://technet.microsoft.com/en-us/library/ee405264%28v=ws.10%29.aspx

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