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3095581 - SAML 2.0 ABAP: SAML authentication only works in one client despite SAML is configured in multiple clients

Symptom

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)
SAML20     at CL_SEC_SXML_DSIGNATURE->HANDLE_SSF_ERROR(Line 51)


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Environment

  • SAP NetWeaver Application Server ABAP
  • ABAP Platform
  • SAP S/4HANA

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

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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