How To Fix SRT_WSP289 - Protocol &1 is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 289

• Message text: Protocol &1 is not supported

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP289 - Protocol &1 is not supported ?

  The SAP error message SRT_WSP289 indicates that a specific protocol is not supported in the context of a web service or communication scenario. This error typically arises when there is an attempt to use a protocol that the SAP system does not recognize or support for the given web service.
  Cause:
  
  Unsupported Protocol: The protocol specified in the web service call is not supported by the SAP system. This could be due to a misconfiguration or an attempt to use a protocol that is not enabled in the system.
  Configuration Issues: The web service configuration might not be set up correctly, leading to the system not recognizing the protocol.
  Version Mismatch: There may be a mismatch between the versions of the web service and the protocols supported by the SAP system.
  Network Issues: Sometimes, network configurations or firewalls may block certain protocols, leading to this error.
  
  Solution:
  
  Check Protocol Configuration: Verify the protocol being used in the web service call. Ensure that it is one of the supported protocols in your SAP system (e.g., HTTP, HTTPS, SOAP, etc.).
  Review Web Service Configuration: Go to the SAP transaction code SOAMANAGER and check the configuration of the web service. Ensure that the correct protocols are enabled and configured properly.
  Update SAP System: If the protocol is indeed supported but not functioning, consider updating your SAP system to the latest version or applying relevant patches that may include support for additional protocols.
  Consult Documentation: Refer to the SAP documentation for the specific version of your system to understand the supported protocols and any configuration steps that may be necessary.
  Network Configuration: Check your network settings, including firewalls and proxies, to ensure that they are not blocking the required protocols.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to web service protocols and the specific error message for any known issues or additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review the application logs and traces in the SAP system (using transaction codes like SLG1) to gather more information about the error and its context.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.