How To Fix SLDAP_ICM015 - Referral "&1&2&3" (from "&4") cannot be parsed as LDAP URL

SAP Error Message - Details

• Message type: E = Error

• Message class: SLDAP_ICM - ICM LDAP Plugin: Messages

• Message number: 015

• Message text: Referral "&1&2&3" (from "&4") cannot be parsed as LDAP URL

What causes this issue?

The directory service has responded with a referral or search result
reference, but the LDAP URL(s) contained in the response cannot be
parsed according to the specification.

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?

Procedure for System Administrators

Contact the administrator of the directory service.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SLDAP_ICM015 - Referral "&1&2&3" (from "&4") cannot be parsed as LDAP URL ?

  The SAP error message SLDAP_ICM015 indicates that there is an issue with parsing an LDAP URL. This error typically occurs when the LDAP server returns a referral that cannot be correctly interpreted by the SAP system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Malformed LDAP URL: The referral returned by the LDAP server may not conform to the expected LDAP URL format. This could be due to incorrect syntax or missing components in the URL.
  Configuration Issues: There may be misconfigurations in the LDAP server settings or in the SAP system's LDAP configuration.
  Network Issues: Connectivity problems between the SAP system and the LDAP server could lead to incomplete or corrupted responses.
  Unsupported LDAP Features: The LDAP server might be using features or extensions that are not supported by the SAP system.
  
  Solution:
  
  Check LDAP URL Format: Review the referral URL returned by the LDAP server. Ensure it follows the correct format, which typically looks like this: ldap://hostname:port/dn?attributes?scope?filter.
  Update SAP Configuration:
  
  Go to transaction SU01 (User Maintenance) and check the LDAP settings.
  Ensure that the LDAP server settings in the SAP system are correctly configured, including the server address, port, and base DN.
  
  
  Test LDAP Connection: Use tools like ldapsearch or similar to test the connection to the LDAP server and verify that it returns valid referrals.
  Review LDAP Server Logs: Check the logs on the LDAP server for any errors or warnings that might indicate why the referral is malformed.
  Consult Documentation: Refer to the SAP documentation for LDAP integration to ensure that all configurations are in line with best practices.
  Update SAP Kernel: If the issue persists, consider updating the SAP kernel to the latest version, as there may be bug fixes related to LDAP handling.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional troubleshooting steps.
  LDAP Documentation: Review the LDAP server documentation for details on referral handling and configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the SLDAP_ICM015 error in your SAP system.