best-practice for domain and subdomain DNS installation

Discussion in 'DNS Server' started by alex, Feb 17, 2010.

  1. alex

    alex Guest

    we have trouble with our DNS Service.
    just now we have a domain-installation like this

    the installation was made long ago and now we are searching for a
    whitepaper or a best-practice to answer the question:
    ? how many DNS server should we install
    ? and where should they are located ?
    alex, Feb 17, 2010
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  2. alex

    Chris Dent Guest

    Hi Alex,

    Those questions have no easy answer I'm afraid. You'll need to tell us
    how many sites / clients you have at the very least.

    I would suggest that you need at least 2 DNS servers hosting each zone.
    That means the minimum is between 2 and 6 (because a pair of DNS servers
    may host all zones if you wish).

    Chris Dent, Feb 17, 2010
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  3. Chris, in addition, it would be also helpful to know if the child domains
    are delegated or not, separate business entities with their own
    administrators, or is corp headquarters handling it, and what OS version and
    SP level are the DCs (related to replicaiton scopes), and what replication
    scopes the zones are currently in, what DNS servers are being used by the
    child domains... lot's more.

    I agree there is no easy answer for this, and it would probably be better to
    hire a consultant that is familiar with AD/DNS in an enterprise enviornment
    to evaluate the current infrastructure in order to make valid


    This posting is provided "AS-IS" with no warranties or guarantees and
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    Please reply back to the newsgroup or forum for collaboration benefit among
    responding engineers, and to help others benefit from your resolution.

    Ace Fekay, MVP, MCT, MCITP EA, MCTS Windows 2008 & Exchange 2007, MCSE &
    MCSA 2003/2000, MCSA Messaging 2003
    Microsoft Certified Trainer
    Microsoft MVP - Directory Services

    If you feel this is an urgent issue and require immediate assistance, please
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    Ace Fekay [MVP-DS, MCT], Feb 18, 2010
  4. alex

    Chris Dent Guest

    Absolutely :) I suggested the minimum of 2 to 6 because delegation state
    was unknown. But you're right, we'd need to know a lot about how AD is
    designed and used to get close to a recommendation.

    Chris Dent, Feb 19, 2010

  5. Yep, this is a difficult one to recommend anything. I think if the
    infrastructure is this large, I would assume there was a third party that
    assisted in setting it up.

    Ace Fekay [MVP-DS, MCT], Feb 19, 2010
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