2323725 - Transaction SAML2 or SAML2_IDP returns HTTP error 403, 404 or 500

• When configuring SAML 2.0 in ABAP system using transaction SAML2 or SAML2_IDP, Web page returns 403 Forbidden, 404 Not found or 500 Server Internal error.
  A message "Logon is being prepared" may appear while loading before the error message. 
  
   
• When downloading Metadata in transaction SAML2, Web page returns 403 Forbidden, 404 Not found or 500 Server Internal error.
   

• When downloading Metadata in transaction SAML2_IDP, Web page returns 403 Forbidden, 404 Not found or 500 Server Internal error.

Reminder: The service /sap/saml2/idp/metadata does not exist in the ABAP System.

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

• 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

sec_diag_tool, SP, IdP, 500 Internal Server Error, ABAP IDP, tab, 500, SAML2, Unknown error, 403 Forbidden, Metadata, external alias, ERR_CONNECTION_RESET, 404 Not Found, This site can't be reached, connection was reset, Logon is being prepared whitelist , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , Problem