The Intersite Messaging service using the Simple Mail Transfer Protocol (SMTP) transport failed to register the event sink DLL (Ismsink.dll) with SMTP. The event sink notifies the messaging service that new mail has arrived. New mail will accumulate in the drop folder until this problem is corrected.

Sample Event:

The Intersite Messaging service using the SMTP transport failed to register the event sink DLL (Ismsink.dll) with SMTP.

The event sink notifies the messaging service that new mail has arrived. New mail will accumulate in the drop folder until this problem is corrected.

Additional Data

Error value: %2 %1

Verify that Internet Information Services (IIS) is fully installed and that the IIS DLL (Seo.dll) is properly registered. Restart the Intersite Messaging service.

For more information, see:

• Microsoft Help and Support for Microsoft Windows Server 2008 and above

• Microsoft Knowledge Base