ASP.NET 2.0.50727.0

Hi,

I don't know where to even start looking for this problem. I am not sure if this is more then one problem. I have a SBS2008 running Exchange 2007. I cannot seem to access the remote website and if I try then I get the following error:

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Server Error in '/owa' Application.
Runtime Error
Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.

Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".

<!-- Web.Config Configuration File -->

<configuration>
    <system.web>
        <customErrors mode="Off"/>
    </system.web>
</configuration>


Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.

<!-- Web.Config Configuration File -->

<configuration>
    <system.web>
        <customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/>
    </system.web>
</configuration>

---------------------

I have had a look in the event manager and I get the following Event ID. 1310

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Event code: 3008
Event message: A configuration error has occurred.
Event time: 3/7/2011 4:55:48 PM
Event time (UTC): 3/7/2011 2:55:48 PM
Event ID: 26f1becfa7194427a2cdfd7eb135b736
Event sequence: 1
Event occurrence: 1
Event detail code: 0
 
Application information:
    Application domain: /LM/W3SVC/3/ROOT/owa-6-129439833481960884
    Trust level: Full
    Application Virtual Path: /owa
    Application Path: C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\
    Machine name: PRONTO
 
Process information:
    Process ID: 1588
    Process name: w3wp.exe
    Account name: NT AUTHORITY\SYSTEM
 
Exception information:
    Exception type: HttpException
    Exception message: Could not load file or assembly 'Microsoft.Exchange.Data, Version=8.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified. (C:\Program Files\Microsoft\Exchange Server\ClientAccess\owa\web.config line 51)
 
Request information:
    Request URL: http://remote.oliveleaf.co.za/owa/auth/logon.aspx?url=http://remote.oliveleaf.co.za/owa/&reason=0 
    Request path: /owa/auth/logon.aspx
    User host address: 196.215.103.4
    User:  
    Is authenticated: False
    Authentication Type:  
    Thread account name: NT AUTHORITY\SYSTEM
 
Thread information:
    Thread ID: 11
    Thread account name: NT AUTHORITY\SYSTEM
    Is impersonating: False
    Stack trace:    at System.Web.Compilation.BuildManager.ReportTopLevelCompilationException()
   at System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled()
   at System.Web.Hosting.HostingEnvironment.Initialize(ApplicationManager appManager, IApplicationHost appHost, IConfigMapPathFactory configMapPathFactory, HostingEnvironmentParameters hostingParameters)
 
 
Custom event details:

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Where do I start looking for the problem?

Please help.