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2854951 - SAML2.0: More than one user with email found

Symptom

When performing a SAML 2.0 authentication it fails and you are redirected to a logon screen or you will receive an authentication popup.
Usually, it happens for some users and not all of them.

In SAML 2.0 traces system raises the following exception:

saml_1.png

To collect the SAML 2.0 traces access the Security Diagnostic Tool in the AS ABAP system by calling the URL below:

http(s)://<host>:<port>/sap/bc/webdynpro/sap/sec_diag_tool?sap-client=<XXX>

Press the start button, reproduce the scenario and press the stop button.

More information regarding the Security Diagnostic Tool for ABAP can be found here.


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Environment

  • SAP enhancement package 2 for SAP NetWeaver 7.0
  • SAP NetWeaver 7.3
  • SAP enhancement package 1 for SAP NetWeaver 7.3
  • SAP NetWeaver 7.4
  • SAP NetWeaver 7.5 and higher

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

SAML20, SAML 2.0, SAML2, ADFS, SP, More than one user with email, More than one user with email found, CL_SAML20_FEDERATION->MAP_USERSOURCE_TO_USER_ID, , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , BC-SEC-LGN , Authentication and SSO , How To

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