How To Fix SLDAP_ICM021 - Search result contains row with unexpected "Entry/Referral" combination

SAP Error Message - Details

• Message type: E = Error

• Message class: SLDAP_ICM - ICM LDAP Plugin: Messages

• Message number: 021

• Message text: Search result contains row with unexpected "Entry/Referral" combination

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SLDAP_ICM021 - Search result contains row with unexpected "Entry/Referral" combination ?

  The SAP error message SLDAP_ICM021 indicates that there is an issue with the LDAP (Lightweight Directory Access Protocol) search results, specifically that the search returned a row with an unexpected "Entry/Referral" combination. This typically occurs when the LDAP server returns results that do not match the expected format or structure that SAP is configured to handle.
  Causes:
  
  LDAP Configuration Issues: The LDAP server may be misconfigured, leading to unexpected entries or referrals in the search results.
  Schema Mismatch: The attributes or object classes expected by SAP may not match those defined in the LDAP directory.
  Network Issues: Connectivity problems between the SAP system and the LDAP server can lead to incomplete or malformed responses.
  Incorrect Search Filters: The search filters defined in the SAP system may not be correctly set up, leading to unexpected results.
  LDAP Server Behavior: Some LDAP servers may return referral entries that are not handled properly by the SAP system.
  
  Solutions:
  
  Check LDAP Configuration: Verify the configuration settings in the SAP system for the LDAP connection. Ensure that the server address, port, and authentication methods are correctly set.
  Review Search Filters: Ensure that the search filters used in the SAP system are correctly defined and match the expected structure of the LDAP entries.
  Inspect LDAP Schema: Check the schema of the LDAP directory to ensure that it aligns with what SAP expects. This may involve reviewing object classes and attributes.
  Test LDAP Connection: Use tools like ldapsearch to manually query the LDAP server and inspect the results. This can help identify if the issue is with the LDAP server or the SAP configuration.
  Handle Referrals: If the LDAP server is returning referrals, consider configuring the SAP system to handle these appropriately, or adjust the LDAP server settings to avoid returning referrals if they are not needed.
  Consult Documentation: Refer to SAP notes and documentation related to LDAP integration for any specific recommendations or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to LDAP integration. You can search the SAP Support Portal for relevant notes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  LDAP Documentation: Review the documentation for your specific LDAP server (e.g., OpenLDAP, Microsoft Active Directory) for any peculiarities in how it handles entries and referrals.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the SLDAP_ICM021 error message in your SAP system.