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3095581 - SAML2.0 ABAP: SAML authentication only works in one client despite SAML is configured in multiple clients


SAML is configured for more than 1 client in ABAP system.
Performing SAML 2.0 authentication only succeeds in one client and fails in other clients.
The following information can be verified in ABAP SAML Traces:

SAML20  Caused by: CX_SEC_SXML_ERROR: SSFW_KRN_VERIFY failed with: Signer is not known or not trusted *OR* Recipient not found (in address book/PSE)

More information regarding the Security Diagnostic Tool for ABAP can be found in KBA 2960670.



  • SAP Netweaver AS ABAP 7.02
  • SAP Netweaver AS ABAP 7.30
  • SAP Netweaver AS ABAP 7.31
  • SAP Netweaver AS ABAP 7.40
  • SAP Netweaver AS ABAP 7.50 and higher


SAML, SAML2, SAML2.0, SAML ABAP, multiple clients, multiple client, Signer is not known or not trusted *OR* Recipient not found (in address book/PSE), different client, different clients, more than one client, several clients , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , Problem

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