You are getting HTTP status code (403) forbidden error while calling SAP S/4HANA or SAP Marketing Cloud API URL.
Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.
- SAP S/4HANA Cloud
- SAP Marketing Cloud
The client certificate used for authentication in the Outbound Communication Arrangement(s) has expired.
As described in the announcement that the customer receives, Your S/4HANA cloud systems, acting as clients, will be affected for those communication scenarios which have outbound communication, and which use certificate-based authentication.
Please follow the below instructions to download the latest Client Certificate:
- Login to the communication Arrangements App and select the communication arrangement by clicking on it.
- Please click on highlighted Display button next to Communication System
- Please Scroll Down to the “Outbound Communication” section and click on Download button for downloading the certificate to
your local desktop.
- Please follow the steps mentioned in below blog to upload it to system used in this communication arrangement.
SAP S/4HANA Cloud, SAP Marketing Cloud, Certificate Expired , KBA , XX-S4C-OPR-INC , S/4HANA Cloud Availability, Performance and Administration , How To