Solution : https://service.sap.com/sap/support/notes/1498973 (SAP Service marketplace login required)
Key words :
basis support package level, higher-level security level, higher level security level, delete individual trust relationships, changing trust relationships exist, remote function call, existing trust relationships, display report rs_security_trust_relations, security level, conversion report rs_update_trust_relations
Related Notes :
| 1646648 | Not possible to delete the trust relationship |
| 1611678 | Correction (I) for renewing trust relationship for a system |
| 1491645 | Unauthenticated system access via RFC or HTTP |
| 128447 | Trusted/trusting systems |