How To Fix SRT_WSP2309 - Only secure communication is selected but the system does not support it

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP2 - Messages for SRT WSP

• Message number: 309

• Message text: Only secure communication is selected but the system does not support it

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP2309 - Only secure communication is selected but the system does not support it ?

  The SAP error message SRT_WSP2309 indicates that a web service is configured to use only secure communication (HTTPS), but the system is not set up to support secure communication. This can occur in scenarios where web services are being called, and the configuration does not align with the security settings.
  Cause:
  
  Configuration Mismatch: The web service is configured to require HTTPS, but the underlying system or the service endpoint is not configured to support HTTPS.
  Missing SSL Configuration: The SSL certificates may not be installed or configured correctly on the SAP system.
  Network Issues: There may be network issues preventing secure connections.
  Service Endpoint: The endpoint being called may not be available over HTTPS.
  
  Solution:
  
  
  Check Web Service Configuration:
  
  Go to the relevant web service configuration in the SAP system (e.g., SOAMANAGER).
  Ensure that the service is correctly configured to use HTTPS.
  
  
  
  SSL Configuration:
  
  Verify that SSL is properly configured in the SAP system.
  Check if the SSL certificates are installed and valid. You can do this by navigating to the transaction STRUST in SAP.
  Ensure that the SSL port is correctly configured in the instance profile.
  
  
  
  Service Endpoint:
  
  Confirm that the endpoint URL being used for the web service is correct and supports HTTPS.
  Test the endpoint using a browser or a tool like Postman to ensure it is reachable over HTTPS.
  
  
  
  Network Configuration:
  
  Check firewall settings and network configurations to ensure that HTTPS traffic is allowed.
  Ensure that there are no proxy issues that might be blocking secure connections.
  
  
  
  Update Service Consumer:
  
  If you are consuming a third-party web service, ensure that the consumer is set to use HTTPS and that it is compatible with the security settings of the service provider.
  
  
  
  Logs and Traces:
  
  Check the SAP application logs (transaction SLG1) and the HTTP trace (transaction SICF) for more detailed error messages that can provide additional context.
  
  
  
  Related Information:
  
  SOAMANAGER: This transaction is used for managing web service configurations in SAP.
  STRUST: This transaction is used to manage SSL certificates and trust relationships in SAP.
  SICF: This transaction is used to manage HTTP services in SAP, including configuration for secure communication.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to your version of SAP and the web service you are using.
  
  By following these steps, you should be able to resolve the SRT_WSP2309 error and ensure that secure communication is properly configured in your SAP system.