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Exchange 2007 update caused .net problems

Recently It was brought to my attention that my Outlook 2007 users could not schedule Out-of-Office information. I noticed that I am getting enormous amount of ASP.net 2.0 errors(Event ID: 1309). While we don't use OWA at this time, I noticed that it is no longer functioning as well. Other than those issues, Exchange seems to be running fine. I found an article stating that some updates can cause this. The article pointed to KB960384 as a fix. I ran updates to include the latest Rollup and KB960384-x64 and I still have no web functionality nor did it resolve the issue with my Outllook 2007 clients. Any Ideas on what I must do to resolve this issue?

Log Name:      Application
Source:        ASP.NET 2.0.50727.0
Date:          4/13/2009 12:27:04 PM
Event ID:      1309
Task Category: Web Event
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      EX1.xxxxxx.local
Description:
Event code: 3005 
Event message: An unhandled exception has occurred. 
Event time: 4/13/2009 12:27:04 PM 
Event time (UTC): 4/13/2009 7:27:04 PM 
Event ID: fb81200d8e3745b19e50152f8cb4cc2a 
Event sequence: 1 
Event occurrence: 1 
Event detail code: 0 
 
Application information: 
    Application domain: /LM/W3SVC/1/ROOT/Autodiscover-11064-128841244246453121 
    Trust level: Full 
    Application Virtual Path: /Autodiscover 
    Application Path: D:\Program Files\Microsoft\Exchange Server\ClientAccess\Autodiscover\ 
    Machine name: EX1 
 
Process information: 
    Process ID: 2912 
    Process name: w3wp.exe 
    Account name: NT AUTHORITY\SYSTEM 
 
Exception information: 
    Exception type: InvalidOperationException 
    Exception message: Failed to map the path '/'. 
 
Request information: 
    Request URL: https://EX1.xxxxxx.local:443/Autodiscover/Autodiscover.xml 
    Request path: /Autodiscover/Autodiscover.xml 
    User host address: 10.0.0.60 
    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.Configuration.ProcessHostMapPath.MapPathCaching(String siteID, VirtualPath path)
   at System.Web.Configuration.ProcessHostMapPath.System.Web.Configuration.IConfigMapPath2.MapPath(String siteID, VirtualPath path)
   at System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath virtualPath, Boolean permitNull)
   at System.Web.CachedPathData.GetConfigPathData(String configPath)
   at System.Web.CachedPathData.GetConfigPathData(String configPath)
   at System.Web.Configuration.RuntimeConfig.GetConfig(VirtualPath path)
   at System.Web.Configuration.RuntimeConfig.GetLKGRuntimeConfig(VirtualPath path)
 
 
Custom event details: 
 
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="ASP.NET 2.0.50727.0" />
    <EventID Qualifiers="32768">1309</EventID>
    <Level>3</Level>
    <Task>3</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2009-04-13T19:27:04.000Z" />
    <EventRecordID>452237</EventRecordID>
    <Channel>Application</Channel>
    <Computer>EX1.xxxxxx.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data>3005</Data>
    <Data>An unhandled exception has occurred.</Data>
    <Data>4/13/2009 12:27:04 PM</Data>
    <Data>4/13/2009 7:27:04 PM</Data>
    <Data>fb81200d8e3745b19e50152f8cb4cc2a</Data>
    <Data>1</Data>
    <Data>1</Data>
    <Data>0</Data>
    <Data>/LM/W3SVC/1/ROOT/Autodiscover-11064-128841244246453121</Data>
    <Data>Full</Data>
    <Data>/Autodiscover</Data>
    <Data>D:\Program Files\Microsoft\Exchange Server\ClientAccess\Autodiscover\</Data>
    <Data>EX1</Data>
    <Data>
    </Data>
    <Data>2912</Data>
    <Data>w3wp.exe</Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>InvalidOperationException</Data>
    <Data>Failed to map the path '/'.</Data>
    <Data>https://EX1.xxxxxx.local:443/Autodiscover/Autodiscover.xml</Data>
    <Data>/Autodiscover/Autodiscover.xml</Data>
    <Data>10.0.0.60</Data>
    <Data>
    </Data>
    <Data>False</Data>
    <Data>
    </Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>11</Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>False</Data>
    <Data>   at System.Web.Configuration.ProcessHostMapPath.MapPathCaching(String siteID, VirtualPath path)
   at System.Web.Configuration.ProcessHostMapPath.System.Web.Configuration.IConfigMapPath2.MapPath(String siteID, VirtualPath path)
   at System.Web.Hosting.HostingEnvironment.MapPathActual(VirtualPath virtualPath, Boolean permitNull)
   at System.Web.CachedPathData.GetConfigPathData(String configPath)
   at System.Web.CachedPathData.GetConfigPathData(String configPath)
   at System.Web.Configuration.RuntimeConfig.GetConfig(VirtualPath path)
   at System.Web.Configuration.RuntimeConfig.GetLKGRuntimeConfig(VirtualPath path)
</Data>
  </EventData>
</Event>

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SOLUTION

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ASKER

Thank you for the response Simon,

I ran the repair of asp.net on my Exchange Server 2007 using the following command:
"%windir%\Microsoft.NET\Framework\V2.0.50727\aspnet_regiis.exe" -i
I recieve the following message:
The error indicates that IIS is not installed on the machine. Please install IIS before using this tool.
Finished installing ASP.NET <2.0.50727>.

Not sure why the message. IIS is installed, maybe I need to install "Management Service?" Any help would be greatly appreciated

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ASKER

Yes, if you notice the path is slightly different from the one you posted.

Do you think I need to install additional Web Services?

ASKER

I should mention that there are multiple directories for various versions of .net. The error I am getting specifically points to ASP.NET 2.0, so I ran the aspnet_regiis.exe from the v2.0.50727 directory. Do you think I should run this from one of the other directories?

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ASKER

Exchange is running on asp.net 2.0. When I run the "asp.net_regiis.exe -i" it reports:
The error indicates that IIS is not installed on the machine. Please install IIS before using this tool.
Finished installing ASP.NET <2.0.50727>.

Any other ideas?

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ASKER

Ended up reinstalling CAS on Exchange Server.