You cannot start the Exchange Management Console (EMC) or the Exchange Management Shell (EMS) in a Microsoft Exchange Server 2010 Service Pack 1 (SP1) environment. Additionally, you receive the following error message:
The type initializer for 'Microsoft.Exchange.Configuration.Tasks.Task' threw an exception.
Additionally, the following event is logged in the Application log on the Exchange Server 2010 server:
Log Name: Application Source: Application Error Date: Date Event ID: 1000 Task Category: (100) Level: Error Keywords: Classic User: N/A Computer: Computer Description: Faulting application name: w3wp.exe, version: Version Number, time stamp: Time Stamp Faulting module name: KERNELBASE.dll, version: Version Number, time stamp: Time Stamp Exception code: 0xe0434f4d Fault offset: Offset Faulting process id: ProcessID Faulting application start time: Time Faulting application path: c:\windows\system32\inetsrv\w3wp.exe Faulting module path: C:\Windows\system32\KERNELBASE.dll Report Id: ID
This issue occurs because an InvalidCastException exception occurs when the Exchange server reads the CustomerFeedbackEnabled flag. The exception causes the w3wp.exe process to crash.
To resolve this issue, install the following update rollup:
2608646 Description of Update Rollup 6 for Exchange Server 2010 Service Pack 1
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the EMC, visit the following Microsoft website: