Microsoft Exchange couldn’t initialize the Content Filter agent because ExSMime.dll couldn’t be initialized. Verify that ExSMime.dll is properly registered by using Regsrv32.exe. Details: %1

This Warning event indicates that the ExSMime DLL could not be loaded. The cause of this warning is specified in the event description.

To resolve this warning, follow one or more of these steps:

• Review the Application log for related events. For example, events that occur immediately before and after this event may provide more information about the root cause of this error.

• Try to register ExSMime.dll. To do this, open the command prompt and then open the C:\Program Files\Microsoft\Exchange Server\bin directory, where C:\ is the directory to which Microsoft Exchange Server was installed. Run the following command: regsrv32 exsmime.dll.

  Note   If you can reregister the dynamic link library, restart the Microsoft Exchange Transport service and monitor the Application log for warnings and errors associated with the Event Sources MSExchange Antispam and MSExchangeTransport.

  If you cannot reregister the dynamic link library, run the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. Use the Toolbox node of the Exchange Management Console to run these tools now.

• Contact Microsoft Customer Support. For information about how to contact support, visit Microsoft Help and Support.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.