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Windows Thread, Open dns Killed AD in Technical; Hi I got a question I put open dns servers into the forward look up zone and AD died. What ...
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    nicholab's Avatar
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    Open dns Killed AD

    Hi I got a question I put open dns servers into the forward look up zone and AD died. What did I do wrong?

    Impressive in your 1st week!!

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    ChrisH's Avatar
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    Re: Open dns Killed AD

    You must have crippled the DNS SRV records and such in some way.

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    nicholab's Avatar
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    Re: Open dns Killed AD

    I don't know how as I did exactly what it says on the opendns website.

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    Re: Open dns Killed AD

    I don't know how as I did exactly what it says on the opendns website.
    On a live network ? Hmmmmm

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    nicholab's Avatar
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    Re: Open dns Killed AD

    Yes but my on site dns should know everything it should and any other requests should go off site.

    client> My DNS> Open DNS = Stops working
    client> My DNS> ISP dns = works

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    Re: Open dns Killed AD

    and any other requests should go off site.
    That should be set in the 'forwarders' section on your DNS server.

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    nicholab's Avatar
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    Re: Open dns Killed AD

    That what I did I put it in the forwards section of the dns and some how that killed it.

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    mattx's Avatar
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    Re: Open dns Killed AD

    What did you put in the forwarders section ? That should be your gateway or box that points to the outside world...

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    webman's Avatar
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    Re: Open dns Killed AD

    What do you mean by 'killed' AD? What exactly doesn't work?

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    nicholab's Avatar
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    Re: Open dns Killed AD

    NO logon, server not Pinging, connection to shares lost.

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    Re: Open dns Killed AD

    Whats in the DNS event logs ?

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    webman's Avatar
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    Re: Open dns Killed AD

    Is DHCP still handing out the correct DNS IP (your DNS server) to the clients? (Check with ipconfig /all on clients).

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    eejit's Avatar
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    Re: Open dns Killed AD

    Quote Originally Posted by nicholab
    That what I did I put it in the forwards section of the dns and some how that killed it.
    That's exactly right. That's what we do and it works fine. Like webman, I'd be looking at DHCP - what are your scope options?

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    Re: Open dns Killed AD

    Shoot us an email at contact <at> opendns.com so we can 1: figure it out and get it working for you and 2: see if there is anything we need to do to fix our modify our instructions for some edge cases or different configuration.

    We know a bunch of people who use AD w/ OpenDNS without any issue so I'd love to figure out how to work with you to make it work with your setup.

    I'm not our AD expert though, so I'll definitely have to route this through contact <at> opendns.com.

    Happy Thanksgiving.

    Thanks,
    David Ulevitch (from OpenDNS)

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    Geoff's Avatar
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    Re: Open dns Killed AD

    Have you checked if your ISP blocks access to any DNS server(s) other than it's own. I know that's the case with our LEA WAN.

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