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Can not get OMA (Outlook Mobile Access) Web Application to work

Posted on 2004-10-13
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Last Modified: 2008-01-16
Hello All,

I have a server running Windows 2003 with all patches installed from Windows Update.  On this server I am running Exchange 2003 SP1.  The issue I am having is I can not seem to get the OMA aplication to work.  My OWA works perfectly, and I do not have any issues via outlook, pop3, imap4.  The error I am getting when I try to access the OMA site is this:

Server Application Unavailable
The web application you are attempting to access on this web server is currently unavailable.  Please hit the "Refresh" button in your web browser to retry your request.

Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.

The URL I am using is as follows:

https://apollo/oma

I am getting this on IE as well as on my t616, t68i, Sony Clie, everything I try to access this application with this is all I get.  

I have tried the system with and without SSL in place.  

The server is also a domain controler for a small domain.  

Also when I check the Event log I do not have any entry in it from IIS or Exchange.  The only entry I have in my IIS access log is a standard access request.

Server specs:
Pentium 4 2.53Ghz.
Memory = 2.0Gig
Drives = 3 x 100Gig

Please let me know if I have left anything out or if I need to provide additional information.  

This is my 2nd question on this board, the first one was the sam question but I think I goofed and put in the wrong topic, sorry!!  but I have heard it is the best.

Thank You All
Scott
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Question by:Scott_Vandiver
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Expert Comment

by:Sembee
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Silly question - but have you enabled OMA? It isn't enabled by default.
You also need to enable the clients and probably support for "unsupported devices".

ESM, Global Settings, Mobile Services. Right click on Mobile Services and choose Properties. Select the last two boxes.

You should be able to browse to /oma so do that in testing before moving on.

Simon.
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Author Comment

by:Scott_Vandiver
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Good Question, but I have enabled the feature in both the ESM, and for each one of the users.  I have also enabled suppoprt for "unsupported devices".

This is a good starting point.  It is always good to get the easy stuff out of the way first.

Scott
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Expert Comment

by:Sembee
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You might want to look at this article from Microsoft. Do the technique only for the /OMA sub folder:

http://support.microsoft.com/default.aspx?kbid=883380

Simon.
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Author Comment

by:Scott_Vandiver
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Simon,

Thank you for the link.  I tried the suggestion and this did not remove the error message.

Scott
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Sembee earned 500 total points
Comment Utility
Try turning off friendly error messages in Internet Explorer on your desktop and browse to the /oma folder. See what error is thrown up.

Also check Authentication on the /oma virtual directory in IIS Manager. It should be basic and Integrated only. You should also pay attention to the default domain and default realm boxes.
If there is a domain listed, change it to be / only.
If it is currently / change it so that your domain is listed.
I cannot remember which way round it is and don't have access to a working system at the moment.

Anything else installed on this machine? Sharepoint for example?
Are you trying to use a non-standard port?

Simon.
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Author Comment

by:Scott_Vandiver
Comment Utility
No non standard port, and I do hav sharepoint on the machine.  It seems that the issue was the following:

Search for the following in the web.config in the \Program
Files\Exchsrvr\OMA\browse directory

<sessionState mode="InProc"

Then add the following on a new line above the <sessionState mode="InProc" line.

  <pages enableSessionState="true"/>
I had to restart the entire system for the changes to be taken, but after that it worked fine.

Scott
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