How To Fix GRCINT428 - Enhance Log :'RFC Callback failure' Sy-subrc &1

SAP Error Message - Details

• Message type: E = Error

• Message class: GRCINT -

• Message number: 428

• Message text: Enhance Log :'RFC Callback failure' Sy-subrc &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GRCINT428 - Enhance Log :'RFC Callback failure' Sy-subrc &1 ?

  The SAP error message GRCINT428, which indicates an "RFC Callback failure" with a specific subrc (sub-return code), typically occurs in the context of SAP Governance, Risk, and Compliance (GRC) integration scenarios. This error can arise due to various reasons related to Remote Function Call (RFC) communication between systems.
  Causes:
  
  Network Issues: There may be network connectivity problems between the systems involved in the RFC call.
  Authorization Issues: The user or service account executing the RFC may not have the necessary authorizations to perform the requested action.
  Configuration Errors: Incorrect configuration of the RFC destination or the GRC system settings can lead to callback failures.
  System Performance: If the target system is under heavy load or experiencing performance issues, it may not respond to the RFC call in a timely manner.
  Missing or Incorrect Function Module: The function module being called may not exist, or there may be a mismatch in the expected parameters.
  Transport Issues: If the relevant transport requests have not been imported correctly, it may lead to inconsistencies.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or telnet to test connectivity.
  Review Authorizations: Verify that the user or service account has the necessary authorizations to execute the RFC function. You can check this in transaction SU53 or by reviewing the user roles.
  Validate RFC Destination: Go to transaction SM59 and check the configuration of the RFC destination. Ensure that it is correctly set up and that the connection test is successful.
  Monitor System Performance: Check the performance of the target system. If it is overloaded, consider optimizing the workload or scheduling the RFC calls during off-peak hours.
  Check Function Module: Ensure that the function module being called exists and is correctly implemented. You can use transaction SE37 to check the function module.
  Review Logs: Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Subrc Codes: The subrc code provided in the error message can give more specific information about the nature of the failure. You can refer to the SAP documentation or the ABAP documentation for details on specific subrc codes.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists and you have a support contract, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the RFC callback failure indicated by the GRCINT428 error message.