How To Fix ICF_SYSTEM_LOGIN087 - SSO logon not possible; configure "Fields Authentication"

ICF_SYSTEM_LOGIN087 - Overview

• Message type: E = Error

• Message class: ICF_SYSTEM_LOGIN - Messages for System Logon

• Message number: 087

• Message text: SSO logon not possible; configure "Fields Authentication"

What causes this issue?

<ZK>Fields Authentication</> must be configured as a logon procedure in
the ICF.

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?

Start transaction SICF.
Double-click on the relevant ICF node of your application.
Go to the tab page <zk>Logon Data</>.
Choose the pushbutton <zk>Default</> at the bottom of the screen to
activate all logon procedures.
Delete the logon procedures you do not want. The logon procedures <zk>
Fields Authentication</> and <zk>SSO Authentication</> must not be
deleted.

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_LOGIN087 - SSO logon not possible; configure "Fields Authentication" ?

  The SAP error message ICF_SYSTEM_LOGIN087 indicates that Single Sign-On (SSO) logon is not possible due to a configuration issue with the "Fields Authentication" settings in the Internet Communication Framework (ICF). This error typically arises when the system is unable to authenticate users through SSO due to missing or incorrect configuration.
  
  Cause:
  
  Missing Configuration: The necessary fields for authentication (like user ID, password, etc.) are not properly configured in the ICF settings.
  SSO 
  Configuration Issues: The SSO setup may not be correctly implemented, which can include issues with the trust relationship between the systems, missing certificates, or incorrect parameters.
  Authorization Issues: The user may not have the necessary authorizations to perform SSO logon.
  Profile Parameters: Certain profile parameters related to SSO may not be set correctly.
  
  
  Solution:
  To resolve the ICF_SYSTEM_LOGIN087 error, follow these steps:
  
  
  Check ICF Configuration:
  
  Go to transaction ICF (Maintain Services).
  Locate the service that is causing the issue (e.g., /sap/bc/webdynpro).
  Ensure that the "Fields Authentication" is configured correctly.