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OWA does not working

Posted on 2011-03-10
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Last Modified: 2012-05-11
OWA does not work with mail.domainname.org/owa, but works with servername/owa
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Question by:rsilver24
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by:wfcraven12
ID: 35094312
sounds like a DNS issue really.  Are you able to connect to OWA from the outside?
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by:rsilver24
ID: 35094529
No, but I can ping it by name from the outside
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Expert Comment

by:wfcraven12
ID: 35094593
you can ping IP 1.2.3.4 but you can't go to the address 1.2.3.4/owa?

have you put https://1.2.3.4/owa in the address bar?
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Author Comment

by:rsilver24
ID: 35094630
Yes I have tried that.  It does not work either.  Is it possible it has something to do with the firewall blocking port 443?  I looked at my Firewall, I am running SonicWall and it appears that traffice is open for port 443, but I am not sure if I have to specify that port for OWA.  Please advise.

Thanks,

Rina
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Expert Comment

by:wfcraven12
ID: 35094697
whenever you put https it is specifying port 443.  If the firewall is blocking 443 then you definitely are not going to be able to connect to it.  

pull up command prompt & type the following (1.2.3.4 being your owa IP address)

telnet 1.2.3.4 443
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Author Comment

by:rsilver24
ID: 35094747
Connection failed
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Expert Comment

by:wfcraven12
ID: 35094767
okay your FW is blocking 443.  You need to get over that hump first.
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Author Comment

by:rsilver24
ID: 35094888
That is what I thought.  I also thought it was opened, but I need to contact Sonicwall.  Unless there is anything you can suggest.

Thanks,

Rina
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Expert Comment

by:wfcraven12
ID: 35094959
I would contact the vendor to make sure that 443 is open for that IP address from outside traffic.  Keep them on the phone until you can telnet to that IP
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Author Comment

by:rsilver24
ID: 35095633
Thanks I opened the port and OWA is working.  I now have 2 other issues.  How do I uninstall Client Access from my Exchange BackEnd Server?  I have Client Access installed on a front end server already and want to make sure the users are only accessing OWA from that server.  The other issue I am having is when I ran tha ActiveSync Analyzer, I received the following error

Testing the SSL certificate to make sure it's valid.
  The SSL certificate failed one or more certificate validation checks.
     Host name mail.domainname.org doesn't match any name found on the server certificate CN=ServerName.  This is actually the server name of the server I want to uninstall the Client Access from.  How to I make sure I am using the correct certificate on the correct Client Access Server.

Thanks,

Rina
 
 
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wfcraven12 earned 500 total points
ID: 35095720
Glad that worked out.

I would suggest posting the other two issues separately.  Everyone will see your issue with the Backend & SSL & may have the correct solution faster than me.  

But FWIW, I believe you should just go to your BE exchange server & pull up the properties for the server in ESM & in the General tab there is a check box that specifies whether it's a front end or back end server.  Like I said though, make it a separate question b/c I may be way off.

Regarding the certificate, it sounds like you need to issue a new certificate with the URL & apply that to IIS on your ESM front end server.  but again, post this issue separately.
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Author Closing Comment

by:rsilver24
ID: 35095801
Thank you I will post 2 separate questions.  Thank you for your help
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