Exchagne 2010 OWA "Page Cannot Be Displayed"

Hello Folks,

We have an install of Exchange 2010 and OWA has not been working for several days. When I try to access it with IE, it says "The Website Cannot Display the Page". I am not sure where to start. Can anyone assist?
JohnnyD74Asked:
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Stelian StanNetwork AdministratorCommented:
Did you made any changes to Exchange since it was working?
Is the IIS service is started?

You may also check this article too: http://blogs.technet.com/b/exchange/archive/2008/12/31/3406686.aspx
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JohnnyD74Author Commented:
Hello Clonyxlro,

IIS is running and I did not make any changes since it stopped working. I will try the article...thanks.
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TMekeelCommented:
With issues like this, I like to start at https://testconnectivity.microsoft.com/

Most likely a DNS change that is affecting your service, if IE cannot display the page.
Can you access owa internally via http://localservername/owa ?
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JohnnyD74Author Commented:
Hello and thank you! it is not DNS as I cannot access intenally or even on the server desktop from http://localservername/owa.
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JohnnyD74Author Commented:
This is what I got from the test tool:

http://screencast.com/t/kUy7JHMuD
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TMekeelCommented:
Sorry, what about https://localservername/owa

If that doesnt work, try opening a telnet session to localservername 443
Perhaps a firewall issue?

Failing that, what is the internal url and external url set to?
From EMS, run this command:
get-owavirtualdirectory | fl and verify the internal and external url.
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TMekeelCommented:
If the server is listening on 443 internally, then verify that 443 is forwarding on your router/firewall to the internal server.
If it is not responding internally, then it appears as mentioned by @JohnnyD74 that IIS is having some issues.  Restart the World Wide Web Publishing service by running services.msc > World Wide Web Publishing Service > right-click > restart.

Since Autodiscover failed as well, do you have an autodiscover CNAME setup in your registrar's DNS?
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JohnnyD74Author Commented:
Thanks again :-) Even when I am logged on to the desktop of the exchange server and go to https://localservername/owa , I still cannot access. There are no firewalls running on the server.
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JohnnyD74Author Commented:
I tried to restart the World Wide Web Publishing service but same problem.
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TMekeelCommented:
What about the telnet session?  Does it time out or connect?

Try https://internalipaddress/owa
And also, telnet to the internal IP on 443.

Do any of those respond?
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TMekeelCommented:
Could you post a screenshot of your OWA tab in EMC?
Server Configuration > Client Access > Outlook Web App tab.
See attached screenshot.
Screen-Shot-2013-10-25-at-10.53..png
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TMekeelCommented:
If you can connect via the IP address internally, then it most definitely is a DNS configuration issue.  What has changed in the environment recently?

Also, are you still getting mail?  Are there more than one server in the environment?
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JohnnyD74Author Commented:
Hi,

I tried to telnet but got no reponse. Here is a screenshot but I blocked out the addresses for security purposes. http://screencast.com/t/arbSv2rZ
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JohnnyD74Author Commented:
We have just one exchange server. I cannot connect with the IP internally and am not aware of any changes recently. I am still getting email via Outlook however.
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TMekeelCommented:
On the exchange server, can you open a command prompt and do netstat -aon

See if the server is listening on 443.

If it is, then revisit firewall and see if something has been turned on that shouldnt be.
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TMekeelCommented:
If it is not, then IIS is not working properly, per @clonyxlro
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TMekeelCommented:
Secondly, if you ping the server does it respond on IPv4 or IPv6?
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piyushranusriSystem Cloud SpecialistCommented:
are you trying from IE 7 or 8

please refer this article.
1. http://social.technet.microsoft.com/Forums/exchange/en-US/596c1182-8d15-4a4c-99ec-f9300c53b391/exchange-2010-owa-page-cannot-be-displayed-on-ie7-and-ie8?forum=exchange2010

2. To get the standard OWA login page, open ESM,
Expand Admin group and Servers
Expand your Server_name, Protocols, HTTP.
Right click on HTTP virtual server and go to it's properties, check the box for "Enable FBA" and restart your IIS

3.and another thing i would like to restart Microsoft Exchange Forms-Based Authentication service, MSExchangeFBA for short.

please share the output.
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JohnnyD74Author Commented:
Yes...it looks like it is listening as shown: http://screencast.com/t/6IzfZeGgo3q

I tested OWA directly on the server so this eliminates the firewall.
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piyushranusriSystem Cloud SpecialistCommented:
did you restart Microsoft Exchange Forms-Based Authentication  service ?

some how i can not browse http://screencast.com/t/6IzfZeGgo3q (due to IS Policy).

and the best effort i will ask you try that..restart the exchange server. because you are saying nothing is changed and IIS config is also not changed.


please share the output
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JohnnyD74Author Commented:
Thank you so much! Resetting the exchange virtual directory per your recommended article below did the trick! It works fine now!

http://technet.microsoft.com/en-us/library/ff629372.aspx
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