SAP Knowledge Base Article - Preview

2443779 - Rejected signed Assertion - Authentication contexts in the SAML2Assertion not sufficient


  • You've configured SSO using SAML 2.0 with a trusted Identity Provider
  • The authentication fails with message "Authentication failed at Identity Provider <name>"


  • Troubleshooting Wizard traces show the following exception in the SAML2LoginModule:

Rejected signed Assertion
Reason: Reauthentication required due to authentication contexts in the SAML2Assertion not sufficient against configured authentication contexts for the application.

  • The following log (or similar) is also seen in the trace:

Authentication context [[Name: urn:oasis:names:tc:SAML:2.0:ac:classes:unspecified, Alias: unspecified, TimeStamp: 1488877765913]] is not sufficient. Authenticated contexts: [[[Name: urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport, Alias: PasswordProtectedTransport, TimeStamp: 1488877765912]]]



SAP NetWeaver Application Server Java


SAP NetWeaver Application Server for Java all versions


KBA , BC-JAS-SEC-SML , JAVA SAML 1.1 and 2.0 , 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.