How To Fix SR320 - Destination &1 cannot be used for classic qRFC

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 320

• Message text: Destination &1 cannot be used for classic qRFC

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SR320 - Destination &1 cannot be used for classic qRFC ?

  The SAP error message SR320, which states "Destination &1 cannot be used for classic qRFC," typically occurs in the context of using the classic queued Remote Function Call (qRFC) mechanism in SAP. This error indicates that the specified destination (represented by &1) is not configured correctly for qRFC usage.
  Cause:
  
  Destination Configuration: The destination may not be set up properly in the SAP system. This could include missing parameters or incorrect settings.
  qRFC Settings: The destination may not be marked as suitable for qRFC. This can happen if the destination is not configured to support the necessary protocols or if it is not defined as a qRFC destination.
  Network Issues: There may be network connectivity issues preventing the system from reaching the destination.
  Authorization Issues: The user or system may not have the necessary authorizations to use the specified destination for qRFC.
  
  Solution:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 to check the configuration of the RFC destination.
  Ensure that the destination is configured correctly, including the connection type (should be TCP/IP), and that it is set up for qRFC if required.
  
  
  
  Verify qRFC Settings:
  
  Ensure that the destination is marked as a qRFC destination. This can be done by checking the settings in the SM59 transaction.
  Make sure that the destination is not set to "Logical System" if it needs to be used for qRFC.
  
  
  
  Test the Connection:
  
  Use the "Connection Test" feature in SM59 to verify that the destination is reachable and that there are no network issues.
  
  
  
  Check Authorizations:
  
  Ensure that the user or system has the necessary authorizations to use the destination for qRFC. This may involve checking roles and profiles assigned to the user.
  
  
  
  Review Logs:
  
  Check the qRFC logs in transaction SMQ1 (for outbound queues) and SMQ2 (for inbound queues) for any additional error messages or information that may help diagnose the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to qRFC and RFC destination configuration for any specific requirements or troubleshooting steps.
  
  
  
  Related Information:
  
  qRFC: Queued Remote Function Call is a mechanism in SAP that allows for asynchronous communication between systems, ensuring that messages are processed in the order they are received.
  RFC Destinations: These are configurations in SAP that define how to connect to other SAP systems or external systems.
  Transaction Codes:
  
  SM59: RFC Destination Configuration
  SMQ1: Outbound Queue Monitoring
  SMQ2: Inbound Queue Monitoring
  SLG1: Application Log for detailed error logs
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.