Then i browse to https://localhost/ews/exchange.asmx on the exchange server i get this error.. Server Error in '/EWS' Application. -------------------------------------------------------------------------------- Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: Could not load file or assembly 'Microsoft.Exchange.Security, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The device is not ready. (Exception from HRESULT: 0x80070015) Source Error: Line 2566: </buildProviders> Line 2567: <assemblies> Line 2568: <add assembly="Microsoft.Exchange.Security, Version=14.0.0.0, Culture=neutral, publicKeyToken=31bf3856ad364e35" /> Line 2569: </assemblies> Line 2570: </compilation> Source File: C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\exchweb\EWS\web.config Line: 2568 Assembly Load Trace: The following information can be helpful to determine why the assembly 'Microsoft.Exchange.Security, Version=14.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' could not be loaded. WRN: Assembly binding logging is turned OFF. To enable assembly bind failure logging, set the registry value [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. Note: There is some performance penalty associated with assembly bind failure logging. To turn this feature off, remove the registry value [HKLM\Software\Microsoft\Fusion!EnableLog]. -------------------------------------------------------------------------------- Version Information: Microsoft .NET Framework Version:2.0.50727.4206; ASP.NET Version:2.0.50727.4209/jonas

Found the error, After i enable the assembly logging with [HKLM\Software\Microsoft\Fusion!EnableLog] (DWORD) to 1. i could read out that the path to the Exchange bin folder was wrong, Then i could change the paths to the correct one in the web.config file./jonas