Solution : https://service.sap.com/sap/support/notes/992907 (SAP Service marketplace login required)
Key words :
sapstartsrv, PAM (Pluggable Authentication Module), web service user authentication, invalid credentials, permission denied, /etc/shadow, privilege, RBAC (Role Based Access Control)
Related Notes :
| 927637 | Web service authentication in sapstartsrv as of Release 7.00 |