SAP Knowledge Base Article - Preview

2544739 - AS ABAP system logon page shows up when using SAML 2.0, and IdP logon page shows up after refreshing the page.


You expect an ICF service to use SAML 2.0 to authenticate users. However, the actual behavior is as below:

  1. After putting the URL in a browser, you get the AS ABAP system logon page which requires a user name and password.
  2. Just refreshing the page without inputting required information, then the expected IdP logon screen appears.



An AS ABAP system where both SPNego and SAML 2.0 are enabled.


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


SPNego, logon fails, logon screen. , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , BC-MID-ICF , Internet Communication Framework , BC-SEC-LGN , Authentication and SSO , BC-MID-ICF-LGN , ICF System Login , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.