How To Fix LDAPACCESS021 - RDN could not be found

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAPACCESS - Messages for LDAP Interface with Mapping

• Message number: 021

• Message text: RDN could not be found

What causes this issue?

INCLUDE LDAPSYNC_FOLLOWUP

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LDAPACCESS021 - RDN could not be found ?

  The SAP error message LDAPACCESS021 indicates that the Relative Distinguished Name (RDN) specified in the LDAP (Lightweight Directory Access Protocol) operation could not be found. This error typically occurs when there is an issue with the LDAP configuration or the specific entry being accessed does not exist in the LDAP directory.
  Causes:
  
  Incorrect RDN: The RDN specified in the LDAP query may be incorrect or misspelled.
  Entry Does Not Exist: The entry you are trying to access may not exist in the LDAP directory.
  LDAP Configuration Issues: There may be issues with the LDAP server configuration, such as incorrect base DN or search filters.
  Access Permissions: The user account being used to access the LDAP directory may not have the necessary permissions to view the specified entry.
  Network Issues: There could be network connectivity issues preventing access to the LDAP server.
  
  Solutions:
  
  Verify RDN: Check the RDN you are using in your LDAP query. Ensure it is correctly spelled and formatted.
  Check Entry Existence: Use an LDAP browser or command-line tool to verify that the entry you are trying to access actually exists in the LDAP directory.
  Review LDAP Configuration: Ensure that the LDAP configuration in your SAP system is correct. This includes checking the base DN, search filters, and any other relevant settings.
  Check Permissions: Ensure that the user account being used to connect to the LDAP server has the necessary permissions to access the specified entry.
  Test Connectivity: Check the network connection to the LDAP server. Ensure that the server is reachable and that there are no firewall or routing issues.
  Review Logs: Check the SAP and LDAP server logs for any additional error messages or warnings that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to LDAP integration for any known issues or patches that may address this error.
  LDAP Documentation: Refer to the LDAP server documentation for details on RDNs, entry structure, and troubleshooting tips.
  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 identify and resolve the cause of the LDAPACCESS021 error in your SAP system.