IIS logs (W3SVC) may display errors similar to the following:
2010-08-25 00:15:192.168.0.10 POST /EWS/exchange.asmx ;RC:868e5975-3fe5-48d1-bbbd-3017f1d7a6e;Init>>Conn:0,AD:$null/$null/0%,CAS:$null/$null/0%,AB:$null/$null/0%,RPC:$null/$null/0%,FC:$null/0,
Hash:36994246,Sub:null/0;SoapAction=GetUserOofSettingsResponse;ADRequests=1;ADLatency=0;
TimeInGetUserOOFSettings=8;End(10.7965ms)>>Conn:1,AD:$null/$null/0%,CAS:$null/$null/0%,AB:$null/
$null/0%,RPC:$null/$null/0%,FC:$null/0,Hash:36994246,Sub:$null/0; 443 Domain\User 192.168.0.100�Microsoft+Office/12.0+(Windows+NT+5.1;+Microsoft+Office+Outlook+12.0.6535;+Pro) 500 0 0 61
2010-08-25 00:15:192.168.0.10 POST /EWS/exchange.asmx ;RC:5a80d750-16ae-46be-b643-36ba50bb2984;Init>>Conn:0,AD:$null/$null/0%,CAS:$null/$null/0%,AB:$null/$null/0%,RPC:$null/$null/0%,FC:$null/0,Hash:36994246,Sub:null/0;SoapAction=GetUserOofSettingsResponse;ADRequests=1;ADLatency=0;TimeInGetUserOOFSettings=7;End(8.8335ms)>>Conn:1,AD:$null/$null/0%,CAS:$null/$null/0%,AB:$null/$null/0%,RPC:$null/$null/0%,FC:$null/0,Hash:36994246,Sub:$null/0; 443 Domain\User 192.168.0.100�Microsoft+Office/12.0+(Windows+NT+5.1;+Microsoft+Office+Outlook+12.0.6535;+Pro) 500 0 0 292
With diagnostics logging for MSExchange Web Services and MSExchange Common set to Expert, the application log�displays the following events:
Event ID: 4999
Source:MSExchange Common
Level: Error
Description:�
Watson report about to be sent to dw20.exe for process id: 3472, with parameters: E12IIS, c-RTL-AMD64, 08.01.0240.006, WS, unknown, M.E.S.E.<>c__DisplayClass7.<GetUserOofSettings>b__4, System.InvalidCastException, 8842, 34720. ErrorReportingEnabled: 34721
And:
Event ID: 3
Source:MSExchange Web Services
Level: Error
Description:�
An internal server error occurred. The unhandled exception was: System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.InvalidCastException: Unable to cast object of type 'System.Web.Security.RolePrincipal' to type 'System.Security.Principal.WindowsPrincipal'.
� at Microsoft.Exchange.Services.ExchangeService.<>c__DisplayClass7.<GetUserOofSettings>b__4()
� at Microsoft.Exchange.Common.IL.ILUtil.DoTryFilterCatch(TryDelegate tryDelegate, FilterDelegate filterDelegate, CatchDelegate catchDelegate)
� at Microsoft.Exchange.Diagnostics.ExWatson.SendReportOnUnhandledException(MethodDelegate methodDelegate, IsExceptionInteresting exceptionInteresting, Boolean terminating)
� at Microsoft.Exchange.Services.Core.ServiceDiagnostics.SendWatsonReportOnUnhandledException(MethodDelegate methodDelegate)
� at Microsoft.Exchange.Services.ExchangeService.GetUserOofSettings(GetUserOofSettingsRequest GetUserOofSettingsRequest)
� --- End of inner exception stack trace ---
If you use IIS Manager to administer IIS on the Windows Server 2008 computer running Exchange Server 2007 or Exchange Server 2010, examine the .NET Roles properties for the default website and the aspnet_client path. You will see the following error:
An error occured while establishing a connection to the server. When connecting to the SQL server 2005, this failure, may be caused by the fact that under the default settings SQL server does not allow remote connections. (Provider: SQL Network Interfaces, error: 26 - Error Locating the server/instance specified
For more information on ASP.NET 3.0 Role Principals, see the following MSDN topic:
Role-Based Security