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access exchange 2010 owa web application using dyndns host name

Posted on 2011-10-18
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I need to publish my exchange 2010 owa using dyndns host name. I am using ADSL internet router. I have configured my router with dyndns host name abc.dyndns.org. I need users to access my exchange server from outside using the url http://abc.dyndns.org/owa. How can I config this. When I type the http://abc.dyndns.org/owa I got the http 404 file not found error.Any step by step guide with picture available for this.
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Question by:jobby1
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by:Evan Cutler
ID: 36988169
try owa.abc.dydns.org.  also try webmail.abc.dydns.org
Exchange likes using subdomains as well.

if this isn't the case, check your IIS/apache.  if abc.dydns.org is working and you can get to owa via inside the network, then your primary webserver is not pushing.  
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Author Comment

by:jobby1
ID: 36988306
inside it is working fine.I can access using localhost/owa. I tried webmail.abc.dydns.org
 no use. Any seeting to be done in exchange.
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by:Evan Cutler
ID: 36988368
ok...what webserver are you using?  IIS?  
is exchange physically on localhost? or on another machine?

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by:jobby1
ID: 36990687
on localhost.Yes IIS default coming with exchange 2010
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by:Evan Cutler
ID: 36992534
sorry...what I mean is this.

When someone goes to your normal website, it goes to an IIS your router is told to send traffic to and from.  Is your website on the same machine as your exchange server?

meaning: http://abc.dyndns.org/ is on Machine 1, and http://abc.dyndns.org/owa is on machine 2....

Now if http://abc.dyndns.org/ and http://abc.dyndns.org/owa are on both machines, then you have an IIS problem, and  you need to go check your subdomains and ports.  If IIS thinks owa is on port 81, then that's why you are not seeing it from outside the network.
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jobby1 earned 0 total points
ID: 37106943
It is ok now after I did the port fw in the adsl router
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Author Closing Comment

by:jobby1
ID: 37130014
After i did the port fw it is working fine
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Expert Comment

by:manito9
ID: 38152377
Guys,

How CNAME record should look like if the external owa is https://mail.domain.org.uk/owa,
and dyndns is: user82.dyndns.org ???

i.e.
mail          CNAME        (and here is my question - destiantion should be user82.dyndns.org) ???

Thanks,
M.
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