SAP Knowledge Base Article - Public

2782446 - Authentication Failure to access a Communication Arrangement Service URL

Symptom

Using the communication user to access the Service URL (CDS endpoint) setup in communication arrangement, you may get alternately, 403 (Forbidden) or a 401 (not authorized) response.

For example:

URL: https://my***.s4hana.ondemand.com/sap/opu/odata/sap/YY1_<TESTNAME>_CDS

Environment

  • S/4HANA Cloud

Reproducing the Issue

  1. Create a Communication Scenario and Communication Arrangement.
  2. Access the Service URL with the communication user and password.
  3. You may get '401 Not Authorized' or '403 Forbidden' error.

Cause

The communication user was locked or the password need to be reset.

Resolution

  1. Go to Maintain Communication Users application.
  2. Unlock the user.
  3. If above is not working, please reset the password and save.

Note: There are user cases proved that sometimes a password including a slash character "\" may cause the user account being locked.

          Try to avoid using "\" in the password.

Keywords

KBA , BC-SRV-APS-COM , Maintain Communication System and Arrangement , Problem

Product

SAP S/4HANA Cloud 1902