Symptom #
When you click OK after adding a new connection in the SAP Business One Connector global configuration, you may get the following error message:
System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {9DB232DC-50D6-4AAF-BA35-E510E16B2056} failed due to the following error: 80040154.
Cause #
The application pool identity that the connector web service runs under needs full permission to the SAP DI Server installation directory.
Resolution #
Ensure that the application pool identity the connector web service runs under has full permission on the SAP DI Server installation directory.