How To Fix SO765 - System error occurred in RFC LDAP service

SAP Error Message - Details

• Message type: E = Error

• Message class: SO - SAPoffice: message texts

• Message number: 765

• Message text: System error occurred in RFC LDAP service

What causes this issue?

An internal error has occurred in the RFC-LDAP interface. This may be a
memory bottleneck on the computer that executes the RFC-LDAP interface
or an error in the internal memory management of the interface. It is
probably not a communication problem.

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?

Leave the transaction and then try to execute the operation again. If
the error occurs again, inform the system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SO765 - System error occurred in RFC LDAP service ?

  The SAP error message SO765, which indicates that a "System error occurred in RFC LDAP service," typically relates to issues with the LDAP (Lightweight Directory Access Protocol) integration in the SAP system. This error can arise due to various reasons, including configuration issues, connectivity problems, or issues with the LDAP server itself.
  Causes:
  
  Configuration Issues: Incorrect settings in the RFC destination or LDAP configuration in the SAP system can lead to this error.
  Network Issues: Problems with network connectivity between the SAP system and the LDAP server can cause communication failures.
  LDAP Server Issues: The LDAP server may be down, misconfigured, or experiencing performance issues.
  Authorization Problems: The user credentials used for the LDAP connection may not have the necessary permissions.
  Version Compatibility: Incompatibility between the SAP system and the LDAP server version can also lead to errors.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the RFC destination settings for the LDAP connection. Ensure that the connection type and parameters are correctly configured.
  
  
  
  Test Connection:
  
  Use the "Test Connection" feature in SM59 to check if the SAP system can successfully connect to the LDAP server.
  
  
  
  Review LDAP Configuration:
  
  Ensure that the LDAP server settings (host, port, base DN, etc.) are correctly configured in the SAP system. This can usually be found in transaction SO10 or SU01 for user management.
  
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the SAP system can reach the LDAP server on the specified port.
  
  
  
  Review Logs:
  
  Check the SAP system logs (transaction SM21) and the LDAP server logs for any error messages that could provide more context about the issue.
  
  
  
  User Credentials:
  
  Verify that the user credentials used for the LDAP connection are correct and have the necessary permissions to access the LDAP directory.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes and documentation related to LDAP integration for any specific configurations or known issues.
  
  
  
  Update SAP System:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to LDAP integration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation on LDAP integration for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.