Re: Same internal and external domain name, split-brain configuration

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From: Joseph (joseph_at_winstead.com)
Date: 03/15/04 

Date: Mon, 15 Mar 2004 08:53:28 -0600

Very clever, Kevin!!!

Thanks,

Joseph

"Kevin D. Goodknecht [MVP]" <admin@nospam.LSAOL.COM> wrote in message
news:OVUgUOx$DHA.2336@TK2MSFTNGP11.phx.gbl...
> In news:upJy5uu$DHA.2524@TK2MSFTNGP10.phx.gbl,
> Joseph <joseph@winstead.com> posted a question
> Then Kevin replied below:
> > We have a split-brain DNS configuration. I'm looking for a way to
> > have http://www.mycompany.com and http://mycompany.com properly
> > display our website on internal clients when using the same domain
> > name for AD as our corporate site. Our corporate web site is hosted
> > externally. Everything is setup properly for www.mycompany.com to
> > work, but still haven't been able to find a way for
> > http://mycompany.com to work internally.
> >
> > I've read quite a bit and have tried several configurations in a lab,
> > but haven't seen anything 100% clear as to how to accomplish this.
> > Outside of AD DNS I would just add a (same as parent folder) entry
> > for the root of the domain that points to the external IP, but I'm
> > concerned this could affect AD operations since every domain
> > controller has the same type of entry (we have dns on all domain
> > controllers). I've read up on SRV records, but haven't seen anything
> > that clearly addresses this issue. In a lab, when adding a blank
> > (same as parent folder) "A" record that points to the external
> > address it seems to work, but intermittently and there is a delay on
> > resolution when it does work. The SRV record approach has not worked
> > at all up to this point.
> >
> > Has anyone seen a documented solution or have a configuration that is
> > currently working in their environment?
> >
> > Thanks,
> >
> > Joseph
>
> The method I have recommended is, that since this requires a blank host
> record and that domain controllers will create a blank host for each IP on
> them, install IIS on the DCs and use website redirection to redirect to
> http://www.mydomain.com on the Home directory tab.
> The blank host is required and must point to the DCs for group policies to
> be applied, group policies are in the SYSVOL share
> \\domain.com\SYSVOL\domain.com\policies if you change the blank host to
> point to a webserver then members will look to the webserver for the
SYSVOL
> share.
>
> --
> Best regards,
> Kevin D4 Dad Goodknecht Sr. [MVP]
> Hope This Helps
> ============================
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