How To Fix ICF_SYSTEM_LOGIN088 - SSO logon not possible; browser logon ticket cannot be accepted

SAP Error Message - Details

• Message type: E = Error

• Message class: ICF_SYSTEM_LOGIN - Messages for System Logon

• Message number: 088

• Message text: SSO logon not possible; browser logon ticket cannot be accepted

What causes this issue?

The logon ticket sent from the browser has not been accepted on this
server.
A logon ticket already exists, which means a MYSAPSSO2 cookie is sent
from the Web browser to the server. This cookie however is not accepted
by the server.

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?

A logon ticket has a limited validity period. If this time has expired,
this error occurs. To fix the error close the browser window and restart
the Web browser.
The error may also occur if the ticket was issued by a different server
that is in the same domain but is not configured to accept these
tickets.
For more information see the SAP Libary under the Internet address
help.sap.com/nw2004s -> <ZK>SAP NetWeaver -> Security -> User
Authentication and Single Sign-On-> Authentication onthe SAP NetWeaver
Application Server ABAP -> Using Logon Tickets -> Configuring the System
for Accepting 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_LOGIN088 - SSO logon not possible; browser logon ticket cannot be accepted ?

  The SAP error message ICF_SYSTEM_LOGIN088 indicates that a Single Sign-On (SSO) logon is not possible because the browser logon ticket cannot be accepted. This error typically arises in scenarios where SSO is configured but there are issues with the authentication process.
  Causes:
  
  Expired or Invalid Logon Ticket: The logon ticket generated by the browser may have expired or is invalid.
  Configuration Issues: There may be misconfigurations in the SSO setup, such as incorrect settings in the SAP system or the Identity Provider (IdP).
  Trust Relationship: The trust relationship between the SAP system and the IdP may not be properly established.
  Network Issues: Network problems may prevent the SAP system from validating the logon ticket.
  Browser Compatibility: Certain browsers or browser settings may interfere with the SSO process.
  User Authorization: The user may not have the necessary authorizations to log in via SSO.
  
  Solutions:
  
  Check Logon Ticket Validity: Ensure that the logon ticket is valid and not expired. You can do this by checking the ticket in the browser's developer tools or by using tools provided by the IdP.
  Review SSO Configuration: Verify the SSO configuration in both the SAP system and the IdP. Ensure that the necessary parameters (like the SSO URL, certificate, etc.) are correctly set.
  Check Trust Relationship: Ensure that the trust relationship between the SAP system and the IdP is correctly established. This may involve checking certificates and ensuring they are correctly imported.
  Network Connectivity: Check for any network issues that may be preventing the SAP system from reaching the IdP or vice versa.
  Browser Settings: Test the SSO process in different browsers or check the current browser settings. Ensure that cookies and JavaScript are enabled.
  User Authorizations: Verify that the user has the necessary authorizations to log in via SSO. Check the user roles and profiles in the SAP system.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to SSO and the error message ICF_SYSTEM_LOGIN088.
  Logs and Traces: Review the SAP system logs (transaction SM21) and traces (transaction ST01) for more detailed error messages that can provide additional context.
  Documentation: Refer to the official SAP documentation on SSO configuration for detailed steps and best practices.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ICF_SYSTEM_LOGIN088 error message.