You are sending data from Cloud for Customer to SAP ERP/CRM/S4H via Cloud Platform Integration(CPI) and the message fails in C4C with error HTTP 403 Forbidden.
- SAP Cloud for Customer
- Cloud Platform Integration
Reproducing the Issue
- Login to C4C.
- Go to Webservice Message Monitoring.
- Check the failed outgoing message with error "HTTP 500 Internal Server Error".
- Navigate to error log, you will see: HTTP Code: 403 ( ) - An internal error occurred during message processing.
You are using client certificate authentication for outbound calls from C4C, but the Root and Intermediate certificates of the C4C client certificate (M) are not available in the CPI keystore.
Add the attached certificates (SAP Passport CA G2 and SAP Cloud Root CA) to the CPI keystore.
Online Help page: SAP Cloud Platform Integration
CPI CERTIFICATE C4C HTTP 403 500 , KBA , LOD-CRM-INT-ERP , Integration of C4C with ERP , Problem