Verify that all the requests that were in flight (look at the HTTPERR log to determine this) are valid requests. Consider increasing the ShutdownTimeLimit for the app pool if it is too short, but be wary of increasing it too much. Generally the application pool shuts down for good reason, and delaying that shutdown due to increased ShutdownTimeLimit is not advised. This event is only an informational event and is not a warning or error |