How To Fix LDAP_DELAYED_AUTH004 - Mapping of LDAP server &1 is unsuitable for "Delayed Authentication"

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAP_DELAYED_AUTH - LDAP Delayed Authentication

• Message number: 004

• Message text: Mapping of LDAP server &1 is unsuitable for "Delayed Authentication"

What causes this issue?

The field mapping for the LDAP server to be used for delayed
authentication cannot be used.

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?

The functionality of delayed authentication requires a mapping with the
following properties:
Exactly one row in the table "Mappings" exists.
The mapping uses one source field in the "SAP System" section from the
options offered in the value help.
The mapping uses one non-initial attribute name in the "Directory"
section.

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 LDAP_DELAYED_AUTH004 - Mapping of LDAP server &1 is unsuitable for "Delayed Authentication" ?

  The SAP error message "LDAP_DELAYED_AUTH004 Mapping of LDAP server &1 is unsuitable for 'Delayed Authentication'" typically indicates an issue with the configuration of the LDAP server in relation to the delayed authentication feature in SAP. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Configuration Issue: The LDAP server configuration in SAP may not be set up correctly for delayed authentication. This could be due to incorrect parameters or settings in the LDAP configuration.
  Mapping Problems: The mapping of user attributes between the LDAP server and SAP might not be properly defined, leading to issues in authenticating users.
  Incompatibility: The LDAP server being used may not support the features required for delayed authentication, or the version of the LDAP server may not be compatible with the SAP system.
  
  Solution:
  
  
  Check LDAP Configuration:
  
  Go to the transaction code LDAP in SAP to review the LDAP server settings.
  Ensure that the server is correctly configured for delayed authentication. This includes checking the server type, connection parameters, and any specific settings related to delayed authentication.
  
  
  
  Review User Mapping:
  
  Verify the user attribute mapping between the LDAP server and SAP. Ensure that the attributes required for authentication (like username, email, etc.) are correctly mapped.
  Check the User Mapping settings in the LDAP configuration to ensure they align with the expected attributes in SAP.
  
  
  
  Test LDAP Connection:
  
  Use the LDAP test tools available in SAP to test the connection to the LDAP server. This can help identify any connectivity issues or misconfigurations.
  
  
  
  Check Documentation:
  
  Refer to the SAP documentation for the specific version you are using to ensure that all required settings for delayed authentication are correctly implemented.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional guidance on configuring LDAP for delayed authentication.
  
  
  
  Update SAP and LDAP:
  
  Ensure that both your SAP system and the LDAP server are updated to the latest versions, as updates may include fixes for compatibility issues.
  
  
  
  Related Information:
  
  Delayed Authentication: This feature allows users to authenticate against an LDAP server without requiring immediate access to the LDAP directory. It can improve performance and user experience in certain scenarios.
  LDAP Server Types: Different LDAP servers (like Microsoft Active Directory, OpenLDAP, etc.) may have different configurations and capabilities. Ensure that the server you are using is compatible with SAP's requirements for delayed authentication.
  SAP Basis Team: If you are not the SAP Basis administrator, it may be necessary to involve them to resolve configuration issues related to LDAP.
  
  By following these steps, you should be able to diagnose and resolve the LDAP_DELAYED_AUTH004 error in your SAP system.