How To Fix LDAPRC086 - Authentication method unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAPRC - LDAP Interface Messages in C

• Message number: 086

• Message text: Authentication method unknown

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LDAPRC086 - Authentication method unknown ?

  The SAP error message LDAPRC086: Authentication method unknown typically occurs when there is an issue with the configuration of the LDAP (Lightweight Directory Access Protocol) settings in the SAP system. This error indicates that the authentication method specified in the LDAP configuration is not recognized or is not supported by the SAP system.
  Causes:
  
  Incorrect Authentication Method: The authentication method specified in the LDAP configuration might be incorrect or not supported by the SAP system.
  Configuration Issues: There may be misconfigurations in the LDAP settings within the SAP system.
  Version Compatibility: The version of the LDAP server may not be compatible with the authentication methods supported by the SAP system.
  Missing or Incorrect Parameters: Required parameters for the LDAP connection may be missing or incorrectly set.
  
  Solutions:
  
  
  Check LDAP Configuration:
  
  Go to the transaction code SU01 (User Maintenance) and check the LDAP settings.
  Ensure that the authentication method specified (e.g., simple, SASL, etc.) is supported by your SAP version.
  
  
  
  Review the Authentication Method:
  
  Verify the authentication method being used. Common methods include:
  
  Simple Authentication
  SASL (Simple Authentication and Security Layer)
  
  
  Ensure that the method is correctly configured in the LDAP server and matches what is expected in SAP.
  
  
  
  Update SAP Notes:
  
  Check for any relevant SAP Notes that may address this issue. Sometimes, specific patches or updates may resolve compatibility issues.
  
  
  
  Test LDAP Connection:
  
  Use the transaction LDAP to test the connection to the LDAP server. This can help identify if the connection is working properly and if the authentication method is recognized.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for LDAP integration to ensure that all settings are correctly configured.
  
  
  
  Check for Updates:
  
  Ensure that both the SAP system and the LDAP server are up to date with the latest patches and updates.
  
  
  
  Contact Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, providing them with detailed information about your configuration and the error message.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for LDAP integration for detailed configuration steps and supported authentication methods.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  LDAP Server Logs: Check the logs on the LDAP server for any errors or warnings that may provide additional context for the authentication failure.
  
  By following these steps, you should be able to diagnose and resolve the LDAPRC086 error in your SAP system.