3316324 - Error "OAuth access_token not found from Destination :######## (HTTP/1.1 401 Unauthorized)" in on-premise managed systems registered to SAP Cloud ALM

• Registering an on-premise system for SAP Cloud ALM using /n/SDF/ALM_SETUP fails because of error "OAuth access_token not found from Destination :######## (HTTP/1.1 401 Unauthorized)", where ######## is the HTTP destination used by the program.
• Logs in SLG1 for "/SDF/CALM" objects indicate warnings or errors with text Configuration Monitoring Connection check @5D@ "OAuth access_token not found from Destination :######## (HTTP/1.1 401 Unauthorized)".

• SAP Cloud ALM
• ABAP systems supported for registration to SAP Cloud ALM.

OAuth, access_token not found, SAP Cloud ALM, on premises, OAuth access-token not found from Destination, HTTP 1.1 401 Unauthorized, OTR-based Exception of Class: /SDF/CX_CALM_CONNECTOR, Configuration Monitoring Connection check @5D@ , KBA , SV-CLM-INF-CON , Connectivity of managed services/systems to SAP Cloud ALM , Problem