How To Fix QBEXT006 - RFC outbound queue error: Sender &1, destination &2, queue &3

SAP Error Message - Details

• Message type: E = Error

• Message class: QBEXT - QBEXT

• Message number: 006

• Message text: RFC outbound queue error: Sender &1, destination &2, queue &3

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message QBEXT006 - RFC outbound queue error: Sender &1, destination &2, queue &3 ?

  The SAP error message QBEXT006 indicates an issue with the outbound queue in the Remote Function Call (RFC) communication. This error typically arises when there is a problem with the configuration or the communication between the SAP systems involved. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Network Issues: There may be network connectivity problems between the sender and receiver systems.
  Configuration Errors: The RFC destination may not be correctly configured, or the logical system settings may be incorrect.
  Queue Issues: The outbound queue may be stuck or not processing messages correctly.
  Authorization Issues: The user or system may not have the necessary authorizations to send messages.
  System Load: High system load or performance issues may prevent the queue from processing messages in a timely manner.
  
  Solutions
  
  
  Check Network Connectivity:
  
  Ensure that the sender and receiver systems can communicate over the network. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the destination is correctly set up and that the connection test is successful.
  
  
  
  Monitor Outbound Queue:
  
  Use transaction SMQ1 to monitor the outbound queue. Check for any stuck or failed messages. If messages are stuck, you may need to analyze the reason and possibly delete or reprocess them.
  
  
  
  Check Authorizations:
  
  Ensure that the user or system has the necessary authorizations to send messages. You can check the roles and authorizations assigned to the user in transaction SU01.
  
  
  
  Review System Performance:
  
  Check the system performance and load. If the system is under heavy load, consider optimizing performance or scheduling batch jobs during off-peak hours.
  
  
  
  Check for Errors in Logs:
  
  Review the system logs (transaction SM21) and the application logs (transaction SLG1) for any related error messages that could provide more context on the issue.
  
  
  
  Reprocess Queue:
  
  If messages are stuck, you can try to reprocess them. In transaction SMQ1, select the messages and choose the option to reprocess.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SMQ1: Monitor Outbound Queue
  SMQ2: Monitor Inbound Queue
  SM21: System Log
  SLG1: Application Log
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the QBEXT006 error.
  
  
  Documentation: Review SAP documentation on RFC and queue management for best practices and troubleshooting steps.
  
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the QBEXT006 error in your SAP system.