3637392 - You receive 'Can't establish websocket connection to server' error when running your On-Premise Extractor even though you have configured your network in accordance with our user guide

You receive the 'Can't establish websocket connection to server' error when running your On-Premise Extractor even though you have configured the On-Premise Extractor and your network in accordance with our user guide:

• Hardware, Software and Network Requirements for the On-Prem Extractor
• Regions, IP Addresses, and URL's to be allowed

soe, process, intelligence, connect, websocket, on, prem, extractor, error, server , KBA , BPI-SIG-PI-DM , Data model / ETL for SAP Signavio Process Intelligence , Known Error