Active Sync / ASP error

Hi all Experts,

I recently did some windows updates that has caused some real problems with my clients SBS 2008 installation. The updates did not all complete properly causing the system to abend. Anyway, after a couple of days of troubleshooting I did get the system running. I do have some errors that I need resolved. I'll deal with this one first and hopefully get the next resolved afterwards. They are probably related. The issue I am having is with a user that has a IPhone. The device was sycing no problem until I did the updates. It appears to be a ASP.NET issue but i cannot figure out how to resolve it.

Any help would be greatly appreciated

 Below you will find the event log error.

Log Name:      Application
Source:        ASP.NET 2.0.50727.0
Date:          5/7/2009 6:50:57 AM
Event ID:      1309
Task Category: Web Event
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      MAIN.swm-van.local
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 5/7/2009 6:50:57 AM
Event time (UTC): 5/7/2009 1:50:57 PM
Event ID: 44592728b6564cb0a62b38d209f14b11
Event sequence: 264
Event occurrence: 263
Event detail code: 0
 
Application information:
    Application domain: /LM/W3SVC/3/ROOT/Microsoft-Server-ActiveSync-1-128861233005132189
    Trust level: Full
    Application Virtual Path: /Microsoft-Server-ActiveSync
    Application Path: C:\Program Files\Microsoft\Exchange Server\ClientAccess\sync\
    Machine name: MAIN
 
Process information:
    Process ID: 9200
    Process name: w3wp.exe
    Account name: NT AUTHORITY\SYSTEM
 
Exception information:
    Exception type: MissingMethodException
    Exception message: Method not found: 'Void System.ServiceModel.Diagnostics.EventLogger.UnsafeLogEvent(System.Diagnostics.TraceEventType, System.ServiceModel.Diagnostics.EventLogCategory, System.ServiceModel.Diagnostics.EventLogEventId, Boolean, System.String[])'.
 
Request information:
    Request URL: https://209.207.94.217:443/Microsoft-Server-ActiveSync/default.eas 
    Request path: /Microsoft-Server-ActiveSync/default.eas
    User host address: 24.114.237.2
    User: SWM-VAN\Scott
    Is authenticated: True
    Authentication Type: Basic
    Thread account name: NT AUTHORITY\SYSTEM
 
Thread information:
    Thread ID: 3
    Thread account name: NT AUTHORITY\SYSTEM
    Is impersonating: False
    Stack trace:    at System.Runtime.CompilerServices.RuntimeHelpers.PrepareDelegate(Delegate d)
   at System.AppDomain.add_UnhandledException(UnhandledExceptionEventHandler value)
   at System.ServiceModel.ServiceHostingEnvironment.EnsureInitialized()
   at System.ServiceModel.PartialTrustHelpers.PartialTrustInvoke(ContextCallback callback, Object state)
   at System.ServiceModel.Activation.HttpModule.ProcessRequest(Object sender, EventArgs e)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
 
 
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="2009-05-07T13:50:57.000Z" />
    <EventRecordID>68534</EventRecordID>
    <Channel>Application</Channel>
    <Computer>MAIN.swm-van.local</Computer>
    <Security />
  </System>
  <EventData>
    <Data>3005</Data>
    <Data>An unhandled exception has occurred.</Data>
    <Data>5/7/2009 6:50:57 AM</Data>
    <Data>5/7/2009 1:50:57 PM</Data>
    <Data>44592728b6564cb0a62b38d209f14b11</Data>
    <Data>264</Data>
    <Data>263</Data>
    <Data>0</Data>
    <Data>/LM/W3SVC/3/ROOT/Microsoft-Server-ActiveSync-1-128861233005132189</Data>
    <Data>Full</Data>
    <Data>/Microsoft-Server-ActiveSync</Data>
    <Data>C:\Program Files\Microsoft\Exchange Server\ClientAccess\sync\</Data>
    <Data>MAIN</Data>
    <Data>
    </Data>
    <Data>9200</Data>
    <Data>w3wp.exe</Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>MissingMethodException</Data>
    <Data>Method not found: 'Void System.ServiceModel.Diagnostics.EventLogger.UnsafeLogEvent(System.Diagnostics.TraceEventType, System.ServiceModel.Diagnostics.EventLogCategory, System.ServiceModel.Diagnostics.EventLogEventId, Boolean, System.String[])'.</Data>
    <Data>https://209.207.94.217:443/Microsoft-Server-ActiveSync/default.eas</Data>
    <Data>/Microsoft-Server-ActiveSync/default.eas</Data>
    <Data>24.114.237.2</Data>
    <Data>SWM-VAN\Scott</Data>
    <Data>True</Data>
    <Data>Basic</Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>3</Data>
    <Data>NT AUTHORITY\SYSTEM</Data>
    <Data>False</Data>
    <Data>   at System.Runtime.CompilerServices.RuntimeHelpers.PrepareDelegate(Delegate d)
   at System.AppDomain.add_UnhandledException(UnhandledExceptionEventHandler value)
   at System.ServiceModel.ServiceHostingEnvironment.EnsureInitialized()
   at System.ServiceModel.PartialTrustHelpers.PartialTrustInvoke(ContextCallback callback, Object state)
   at System.ServiceModel.Activation.HttpModule.ProcessRequest(Object sender, EventArgs e)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously)
</Data>
  </EventData>
</Event>