2220: W3 event extension load failed
The IIS Internet Server Application Programming Interface (ISAPI) extensions and filters can extend and modify the request-processing capabilities of IIS. ISAPI applications are run in isolation to enhance server stability.
Event 2220 is generated when the HTTP server was unable to load an ISAPI application. The ISAPI application is specified in the event log message.
How could you resolve this situation?
Check for a specific error number in the event log message. Find out more about that error number.