On the SOI console, if you cannot see any new alerts coming from the UIM connector. On the UIM connector, after enabled the debug options and restarted the Catalyst container service, you don't see anything has been published under ...\CA\Catalyst\CatalystConnector\container\data\log\EIDebugData and ...\Catalyst\CatalystConnector\ifw\log\debugData directories.
If you found the following error from Nimsoft\hub\hub.log file from the UIM server, then this KB article will be applicable for you.
hub: Reply not received on queue route for 'Catalyst' (timeout), disconnecting