ASP.Net errors in Application log

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

Event Type: Warning

Event Source: ASP.NET 2.0.50727.0

Event Category: Web Event 

Event ID: 1309

Date: 28.06.2010

Time: 11:30:07

User: N/A

Computer: xxxxxxxxxxxx

Description:

Event code: 3005 

Event message: An unhandled exception has occurred. 

Event time: 28.06.2010 11:30:07 

Event time (UTC): 28.06.2010 09:30:07 

Event ID: 69a7c39aa5564457a3b96ff7fd6cbc74 

Event sequence: 5148 

Event occurrence: 9 

Event detail code: 0 

 

Application information: 

    Application domain: /LM/W3SVC/1/ROOT/EnterpriseVault-1-129220951480346144 

    Trust level: Full 

    Application Virtual Path: /EnterpriseVault 

    Application Path: C:\Program Files\Enterprise Vault\webapp\ 

    Machine name: xxxxxxxxxxxx 

 

Process information: 

    Process ID: 264 

    Process name: w3wp.exe 

    Account name: NT AUTHORITY\SYSTEM 

 

Exception information: 

    Exception type: ArgumentOutOfRangeException 

    Exception message: Specified argument was out of the range of valid values.

Parameter name: value 

 

Request information: 

    Request URL: http://xxx.xxx.xxx/enterprisevault/GetIncrSlotWithServer.aspx?x=evoutlookext&evhost=http://xxx.xxx.xxx/EVAnon 

    Request path: /enterprisevault/GetIncrSlotWithServer.aspx 

    User host address: xx.xx.xx.xx 

    User: xxx\xxx 

    Is authenticated: True 

    Authentication Type: NTLM 

    Thread account name: NT AUTHORITY\SYSTEM 

 

Thread information: 

    Thread ID: 5 

    Thread account name: NT AUTHORITY\SYSTEM 

    Is impersonating: False 

    Stack trace:    at System.Web.HttpResponse.set_StatusDescription(String value)

   at DesktopClientCacheWeb.GetIncrSlotWithServer.Page_Load(Object sender, EventArgs args)

   at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)

   at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)

   at System.Web.UI.Control.OnLoad(EventArgs e)

   at System.Web.UI.Control.LoadRecursive()

   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

 

 

Custom event details: 

 

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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

There are a few references to similar errors on the KB, but none with the same exception type and message.

From what I can see, it is related to EVAnon virtualdir somehow. I've checked the Evanon config and verified that the Evanon user is operational.

Any tips?