https://userapps.support.sap.com/sap/support/knowledge/en/2769717
2769717 - HTTP 404 Not Found on Define HTTP Connectivity - SAP Solution Manager 7.2 | SAP Knowledge...
In step Define HTTP Connectivity the configuration cannot be saved due to HTTP error 404 (Not Found) for JAVA ICM Internal WS Access: ICM for Intern. Web Serv....