SAP Knowledge Base Article - Preview

2132887 - SAML2 log out from the portal fails. Error "Server is overloaded. It is impossible to process data" might also occur


  • Users are unable to logoff from portal after accessing WebDynpro iView/Page;
  • SAML2 authentication is enabled;
  • After clicking in the logoff button, user is routed to to the Portal Logon screen, but due to SAML2 authentication user is re logged to the portal;
  • Errors below may or may not occur when accessing WebDynpro applications or after attempting to logoff:

503 Service Unavailable


Error: Service is not available.

SAP Technology Troubleshooting Guide

Details: Server is overloaded. It is Impossible to process data.


500 Internal Server Error




  • NetWeaver Application Server Java

  • Enterprise Portal


SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver Application Server for Java 7.2 ; SAP enhancement package 1 for SAP NetWeaver 7.3


720, 721, 730, 731, 740, SSO, logout, SAML2, authentication, login, module, login module, logoff, session, terminate, termination, redirect, server is overloaded. It is Impossible to process data, 500 Internal Server Error, 500, Internal, Server, Error, DSM, UME, logout, login, , KBA , BC-JAS-SEC-LGN , Logon, SSO , EP-PIN-PRT , Portal Runtime , Problem

About this page

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

Search for additional results

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