SAP Knowledge Base Article - Preview

2318485 - SAML 2.0: "SAML20 CX_SAML20_CORE: Access by the SOAP request to COMMUNICATION_ERROR was denied with status 1"

Symptom

When performing a SAML 2.0 authentication, it fails and there is a redirection to the logon screen.

In SAML 2.0 trace, the following exception is raised:

SAML DUMP.jpg

"Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."


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Environment

SAP NetWeaver Application Server ABAP

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0

Keywords

SAML 2.0, SAML2, SAML, ADFS, authentication, single sing-on, sso, fiori, lauchpad, strust, certificate, ssl , KBA , saml , authentication , single sign-on , adfs , saml2 , saml 2.0 , BC-SEC-LGN-SML , SAML 2.0 for ABAP , Problem

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