How To Fix ISU_S4H_C4C_UTIL_MSG276 - Please change port assignment from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_S4H_C4C_UTIL_MSG -

• Message number: 276

• Message text: Please change port assignment from &1 to &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_S4H_C4C_UTIL_MSG276 - Please change port assignment from &1 to &2 ?

  The SAP error message ISU_S4H_C4C_UTIL_MSG276, which states "Please change port assignment from &1 to &2," typically occurs in the context of SAP IS-U (Utilities) and its integration with other systems, such as SAP S/4HANA or SAP Cloud for Customer (C4C). This error indicates that there is a mismatch or conflict in the port assignment for communication between systems.
  Cause:
  
  Port Assignment Conflict: The error usually arises when there is an inconsistency in the port assignments for communication between the SAP IS-U system and another system (like S/4HANA or C4C). This could be due to incorrect configuration or changes in the system landscape.
  Configuration Changes: If there have been recent changes in the system configuration, such as updates or migrations, the port assignments may not have been updated accordingly.
  Integration Issues: The error may also indicate issues with the integration setup, such as incorrect settings in the middleware or communication channels.
  
  Solution:
  
  Check Port Assignments: Review the port assignments in the relevant configuration settings. You can do this in transaction codes like SPRO (for configuration) or SOAMANAGER (for web service configuration).
  Update Configuration: If you identify that the port assignment is incorrect, update it to reflect the correct values. This may involve changing the settings in the relevant communication channels or service definitions.
  Test Communication: After making changes, test the communication between the systems to ensure that the error is resolved. You can use transaction codes like SICF to check the service status or SM59 for RFC connections.
  Consult Documentation: Refer to SAP documentation or notes related to the specific integration scenario you are working with. This can provide insights into the correct configuration settings.
  Contact SAP Support: If the issue persists after checking and updating the configurations, consider reaching out to SAP Support for further assistance. They can provide more specific guidance based on your system setup.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO, SOAMANAGER, SM59, and SICF for configuration and testing.
  SAP Notes: Search for SAP Notes related to IS-U and integration with S/4HANA or C4C for any known issues or additional troubleshooting steps.
  Integration Scenarios: Understand the specific integration scenario you are working with, as different scenarios may have unique requirements for port assignments and configurations.
  
  By following these steps, you should be able to resolve the error message ISU_S4H_C4C_UTIL_MSG276 and ensure proper communication between your SAP systems.