[ExchangeList] Re: OWA and domains and Activesynch

  • From: Chris Buechler <msexchange@xxxxxxxxxxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Fri, 25 Aug 2006 18:10:40 -0400

http://www.msexchange.org
-------------------------------------------------------Thomas W Shinder wrote:
The dreaded .local rears its ugly head again. People really should stop
doing that and use a split DNS. It would avoid so many problems, esp for
the small businesses that get duped into using .local

This isn't really an issue. There's nothing wrong with using .local. You still need split DNS for your public domains with most firewalls, but it has nothing to do with the problem at hand. This isn't creating any sort of issue that you wouldn't have if you were using the actual registered domain. You just need an additional zone if your AD domain isn't the same as your public domain.


Tom goes further into this argument in his ISA 2004 book, but even after reading that (which, for the most part, is a good book) the argument doesn't hold water. This is from experience - roughly half of the domains I administer use .local, with the other half using actual registered domain names. Neither is better or worse than the other. You just usually need an additional DNS zone in networks where you aren't using the company's registered domain name.

To actually address the problem...


I created an A record for mail.graphicsolutions.com in
my internal DNS, yet when I ping internally it will only resolve
correctly when I ping
mail.graphicsolutions.com.gsi.local

Because you created the A record as mail.graphicsolutions.com.gsi.local. You need to setup a new zone in your internal DNS servers for graphicsolutions.com, then add an A record there for mail. Then it'll resolve as you desire. Alternatively, you could instead create a CNAME for mail.graphicsolutions.com that points to your OWA server's internal FQDN (exchange.gsi.local or whatever).


-Chris

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