How To Fix ICF_SYSTEM_LOGIN075 - SSO logon not possible; no logon ticket due to error in configuration

ICF_SYSTEM_LOGIN075 - Overview

• Message type: E = Error

• Message class: ICF_SYSTEM_LOGIN - Messages for System Logon

• Message number: 075

• Message text: SSO logon not possible; no logon ticket due to error in configuration

What causes this issue?

Due to errors in the configuration no logon ticket could be issued.
There is an error in the SSO configuration, which is why the logon
ticket could not be issued. To ascertain the precise cause of the error,
see Note 320991.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

For more information see the SAP Library at the Internet address
help.sap.com/nw2004s -> <ZK>SAP NetWeaver -> SAP NetWeaver by Key
Capability -> Security -> User Authentification and Single Sign-On ->
Authentication on the SAP NetWeaver Application Server ABAP -> Using
Logon Tickets</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ICF_SYSTEM_LOGIN075 - SSO logon not possible; no logon ticket due to error in configuration ?

  The SAP error message ICF_SYSTEM_LOGIN075 indicates that Single Sign-On (SSO) logon is not possible because there is an issue with the configuration that prevents the generation of a logon ticket. This error typically arises in environments where SSO is implemented, and it can be caused by various factors. Below are the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Configuration of SSO: The SSO configuration in the SAP system may not be set up correctly. This includes settings in the SAP system and the Identity Provider (IdP).
  Missing or Incorrect Trust Relationship: The trust relationship between the SAP system and the IdP may not be established correctly.
  Expired or Invalid Certificates: If you are using certificates for SSO, they may have expired or may not be valid.
  Network Issues: There may be network connectivity issues between the SAP system and the IdP.
  User Mapping Issues: The user in the SAP system may not