Symptom
How to update the C4C Domain Certificate (*.c4c.cloud.sap)?
Environment
SAP Cloud for Customer
Reproducing the Issue
As part of infrastructure migration, and standard practice for SSL certificates it is recommended to use SAN extension for which your existing *.crm.ondemand.com domain certificate is incorporated with Multi Domain SSL Certificate feature.
Cause
If you have third-party integrations like web services/APIs in your Cloud for Customer tenants, you may be required to update the domain certificate. These updates should be conducted by your internal IT resources, with the new certificate information that could be found below
Resolution
Below are the steps to download the new certificate:
1. Click on download link. You will be redirected to Digi Cert Website, here ensure Combined Certificate Files are set as shown below.

2. Click download as shown below.

3. A zip file by name: star_c4c_cloud_sap_216916196 would be downloaded.
4. Please unzip this file and we can see the required certificate star_c4c_cloud_sap.crt which you need to adapt for running integration scenarios.

See Also
Keywords
KBA , LOD-CRM-SEC , Security Topics , How To
SAP Knowledge Base Article - Public