How To Fix HREXP016 - LDAP key &1 is assigned more than once

SAP Error Message - Details

• Message type: E = Error

• Message class: HREXP - HR Expert Finder

• Message number: 016

• Message text: LDAP key &1 is assigned more than once

What causes this issue?

LDAP key &V1& is assigned to more than one expert.

System Response

To ensure that data in Expert Finder remains consistent, each LDAP key
should only be assigned to one expert.

How to fix this error?

Using transaction SE16 you can check which objects from table HRP5030
have been assigned the value &V1& in the LDAP_KEY field.
Correct the incorrect assignments.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HREXP016 - LDAP key &1 is assigned more than once ?

  The SAP error message HREXP016 indicates that there is a problem with the LDAP (Lightweight Directory Access Protocol) configuration in your SAP system. Specifically, the error message states that the LDAP key (which is typically a unique identifier for an LDAP entry) is assigned more than once. This can lead to conflicts and issues when the system tries to synchronize or retrieve data from the LDAP directory.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the LDAP directory for the same key. This can happen if the same user or object is created multiple times in the LDAP directory.
  Configuration Issues: There may be misconfigurations in the SAP system's LDAP settings, leading to incorrect mappings or duplicate assignments.
  Data Synchronization Problems: If there are issues with how data is synchronized between SAP and the LDAP directory, it can result in duplicate keys being assigned.
  
  Solution:
  
  
  Check LDAP Directory: 
  
  Use an LDAP browser or management tool to inspect the entries in your LDAP directory. Look for duplicate entries that may be causing the conflict.
  Remove or consolidate duplicate entries as necessary.
  
  
  
  Review SAP Configuration:
  
  Go to the SAP transaction SU01 (User Maintenance) and check the user profiles to ensure that there are no duplicate assignments.
  Review the LDAP configuration in SAP using transaction LDAP or SUIM to ensure that the mappings are set up correctly.
  
  
  
  Adjust Synchronization Settings:
  
  If you are using a synchronization tool or process, review its settings to ensure that it is not creating duplicate entries.
  Ensure that the synchronization process is correctly configured to handle existing entries without creating duplicates.
  
  
  
  Test Changes:
  
  After making changes, test the LDAP connection and synchronization to ensure that the error does not occur again.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support notes related to LDAP integration for any specific guidelines or troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to LDAP integration and the HREXP016 error.
  LDAP Schema: Familiarize yourself with the LDAP schema being used, as it may provide insights into how entries are structured and how to avoid duplicates.
  User Management: Ensure that user management practices in your organization prevent the creation of duplicate entries in the LDAP directory.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.