How To Fix BGRFC556 - bgRFC Dest. Config. &1: Incorrect qRFC version

SAP Error Message - Details

• Message type: E = Error

• Message class: BGRFC - qRFC - New Background RFC

• Message number: 556

• Message text: bgRFC Dest. Config. &1: Incorrect qRFC version

What causes this issue?

You can configure only those outbound destinations intended for use with
bgRFC.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use the configuration transaction for RFC connections (transaction SM59)
to configure the destination for bgRFC.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BGRFC556 - bgRFC Dest. Config. &1: Incorrect qRFC version ?

  The SAP error message BGRFC556 indicates that there is an issue with the configuration of the background RFC (bgRFC) destination. Specifically, the error message states that the qRFC version is incorrect for the specified destination. This can occur in scenarios where the system is trying to communicate with a destination that has not been properly configured or is using an incompatible version of the qRFC protocol.
  Cause:
  
  Incompatible qRFC Version: The destination you are trying to use may be configured with a different version of the qRFC protocol than what is expected by the sending system.
  Configuration Issues: The bgRFC destination may not be set up correctly in the SAP system, leading to mismatches in expected parameters.
  Transport Issues: If the system has recently undergone a transport or upgrade, the configuration might not have been updated correctly.
  Network Issues: There could be network-related issues that prevent proper communication between systems.
  
  Solution:
  
  
  Check bgRFC Configuration:
  
  Go to transaction SM58 (Transactional RFC) and check the status of the bgRFC destinations.
  Use transaction SMQR to check the configuration of the qRFC queues and ensure they are set up correctly.
  
  
  
  Verify qRFC Version:
  
  Ensure that both the sending and receiving systems are using compatible versions of the qRFC protocol. This may involve checking the SAP Notes or documentation for version compatibility.
  
  
  
  Adjust Destination Settings:
  
  In transaction SM59, check the settings for the RFC destination that is causing the issue. Ensure that the destination is configured correctly and that the connection parameters are valid.
  
  
  
  Reconfigure or Recreate the Destination:
  
  If the configuration appears to be incorrect, consider reconfiguring or recreating the RFC destination to ensure it is set up properly.
  
  
  
  Check for SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error or provide guidance on configuration settings.
  
  
  
  System Logs:
  
  Check the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Consult SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  bgRFC: Background Remote Function Call is a mechanism in SAP that allows asynchronous communication between different SAP systems or between different processes within the same system.
  qRFC: Queued Remote Function Call is a variant of RFC that ensures that calls are processed in the order they were sent, which is particularly useful for scenarios where the order of operations is critical.
  Transaction Codes:
  
  SM58: Monitor and manage transactional RFC calls.
  SMQR: Manage qRFC queues.
  SM59: Maintain RFC destinations.
  SLG1: View application logs.
  
  
  
  By following these steps, you should be able to identify and resolve the issue related to the BGRFC556 error message.