Solution : https://service.sap.com/sap/support/notes/30335 (SAP Service marketplace login required)
Key words :
additional key words oss, group selection appears, transaction oss1, application server, login attempt, authorized, successful, prerequisites
Related Notes :
| 34376 | Error TN000 "Failed to connect to SAP OSS server" |
| 24177 | OSS1: Message S1452: Connection to Message Server |