How To Fix SO768 - Invalid search filter entered for LDAP service

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 768

• Message text: Invalid search filter entered for LDAP service

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SO768 - Invalid search filter entered for LDAP service ?

  The SAP error message SO768, which states "Invalid search filter entered for LDAP service," typically occurs when there is an issue with the configuration of the LDAP (Lightweight Directory Access Protocol) settings in the SAP system. This error can arise during attempts to connect to an LDAP directory for user authentication or other directory services.
  Causes:
  
  Incorrect Search Filter: The search filter specified in the LDAP configuration may be incorrectly formatted or invalid. This could be due to syntax errors or using unsupported attributes.
  Misconfigured LDAP Settings: The LDAP server settings in the SAP system may not be correctly configured, leading to issues when trying to query the directory.
  Network Issues: There may be connectivity issues between the SAP system and the LDAP server, preventing successful communication.
  LDAP Server Issues: The LDAP server itself may be down or experiencing issues, which can lead to errors when attempting to connect or query.
  User Permissions: The user account being used to connect to the LDAP server may not have the necessary permissions to perform the search.
  
  Solutions:
  
  Check the Search Filter: Review the search filter defined in the SAP system. Ensure that it adheres to the correct syntax and uses valid attributes. For example, a common search filter format is (objectClass=*) or (uid=someuser).
  Review LDAP Configuration: Go to transaction code SO21 in SAP to check the LDAP settings. Ensure that the LDAP server address, port, and other parameters are correctly configured.
  Test Connectivity: Use tools like ldapsearch or similar to test connectivity to the LDAP server from the SAP application server. This can help identify if there are network issues.
  Check LDAP Server Logs: If you have access to the LDAP server logs, check for any errors or warnings that might indicate what is going wrong during the search operation.
  User Permissions: Verify that the user account used for the LDAP connection has the necessary permissions to perform searches in the LDAP directory.
  Consult Documentation: Refer to the SAP documentation for LDAP integration to ensure that all configurations are set up correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to LDAP integration for any known issues or patches that may address this error.
  LDAP Documentation: Review the documentation for the specific LDAP server you are using (e.g., Active Directory, OpenLDAP) for details on valid search filters and configuration settings.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By following these steps, you should be able to diagnose and resolve the SO768 error in your SAP system.