How To Fix SRT_WSP2387 - Multiple authentication methods specified (count &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 387

• Message text: Multiple authentication methods specified (count &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP2387 - Multiple authentication methods specified (count &1) ?

  The SAP error message SRT_WSP2387 indicates that multiple authentication methods have been specified for a web service call, which is not allowed. This error typically occurs in scenarios where a web service is configured to use different authentication mechanisms, but the configuration is conflicting or improperly set up.
  Cause:
  
  Multiple Authentication Methods: The web service client or server is configured to use more than one authentication method simultaneously (e.g., Basic Authentication, Client Certificate, etc.).
  Configuration Issues: There may be a misconfiguration in the service definition or the service consumer settings that leads to the specification of multiple authentication methods.
  Service Consumer Settings: The consumer of the web service may be incorrectly set up to send multiple authentication headers.
  
  Solution:
  
  Review Configuration: Check the configuration of the web service in the SAP system. Ensure that only one authentication method is specified. This can typically be done in the SOAMANAGER transaction.
  Adjust Client Settings: If you are consuming the web service, ensure that your client is set up to use only one authentication method. Remove any conflicting authentication settings.
  Check WSDL and Service Definition: If you are using a WSDL file, ensure that it does not define multiple authentication methods. Adjust the WSDL if necessary.
  Testing: After making changes, test the web service call again to ensure that the error is resolved.
  
  Related Information:
  
  SOAMANAGER: This transaction is used to manage web service configurations in SAP. You can access it to review and modify the settings related to your web service.
  Web Service Security: Familiarize yourself with the security settings and best practices for web services in SAP, including how to properly configure authentication methods.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error message.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about your configuration and the context in which the error occurs.