How To Fix /BSNAGT/MESSAGE053 - Error during determination of alternative logical port

SAP Error Message - Details

• Message type: E = Error

• Message class: /BSNAGT/MESSAGE -

• Message number: 053

• Message text: Error during determination of alternative logical port

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 /BSNAGT/MESSAGE053 - Error during determination of alternative logical port ?

  The SAP error message /BSNAGT/MESSAGE053 indicates that there was an error during the determination of an alternative logical port. This typically occurs in the context of SAP Business Connector or when dealing with communication between different SAP systems or external systems.
  Cause:
  
  Configuration Issues: The logical port may not be configured correctly in the SAP system. This could include missing or incorrect settings in the logical port definition.
  Network Issues: There may be network connectivity problems that prevent the system from reaching the intended service or endpoint.
  Authorization Issues: The user or service account may not have the necessary permissions to access the logical port or the associated services.
  Service Unavailability: The service that the logical port is trying to connect to may be down or unavailable.
  Incorrect Routing: The routing configuration for the logical port may be incorrect, leading to the inability to determine the correct alternative logical port.
  
  Solution:
  
  
  Check Logical Port Configuration:
  
  Go to the transaction code SOAMANAGER in SAP.
  Navigate to the "Service Definition" and check the logical port settings.
  Ensure that the logical port is correctly defined and that all required parameters are set.
  
  
  
  Test Connectivity:
  
  Use tools like ping or telnet to check if the target service is reachable from the SAP system.
  If the service is down, coordinate with the relevant team to bring it back online.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account has the necessary authorizations to access the logical port and the associated services.
  
  
  
  Check for Alternative Logical Ports:
  
  If the system is configured to use alternative logical ports, ensure that these are also correctly defined and reachable.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context on the failure.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using, as there may be known issues or patches available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SOAMANAGER, SLG1, SICF (for service activation).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP Help Portal for information on configuring logical ports and troubleshooting communication issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the /BSNAGT/MESSAGE053 error.