How To Fix RT290 - Yes: & communication error(s) in qRFC queues

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 290

• Message text: Yes: & communication error(s) in qRFC queues

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT290 - Yes: & communication error(s) in qRFC queues ?

  The SAP error message RT290 indicates that there are communication errors in the qRFC (queued Remote Function Call) queues. This can occur due to various reasons, and understanding the cause and finding a solution is essential for resolving the issue.
  Causes of RT290 Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to communication errors. This includes issues like network downtime, firewall restrictions, or misconfigured network settings.
  
  
  System Configuration: Incorrect configuration of the qRFC settings or the RFC destinations can lead to communication errors. This includes settings in transaction SM59 (RFC destinations) or issues with the logical system configuration.
  
  
  Queue Locking: If a queue is locked or if there are issues with the queue processing, it can lead to communication errors. This can happen if there are long-running processes or if the queues are not being processed correctly.
  
  
  Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in processing the qRFC queues, resulting in communication errors.
  
  
  Transport Layer Issues: Problems with the transport layer, such as issues with the transport directory or transport routes, can also cause communication errors.
  
  
  Solutions to RT290 Error
  
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved. You can use tools like ping or traceroute to check connectivity.
  
  
  Review RFC Destinations: Go to transaction SM59 and check the configuration of the RFC destinations. Ensure that they are correctly configured and that the connection test is successful.
  
  
  Monitor qRFC Queues: Use transaction SMQ1 (for outbound queues) and SMQ2 (for inbound queues) to monitor the status of the queues. Check for any locked or stuck queues and resolve any issues.
  
  
  Check System Resources: Monitor the system resources to ensure that there are enough resources available for processing the queues. You can use transaction ST02 (buffer management) and ST06 (OS monitoring) for this.
  
  
  Review Logs: Check the system logs (transaction SM21) and qRFC logs for any specific error messages that can provide more context about the communication errors.
  
  
  Reprocess Queues: If you identify any stuck queues, you can try to reprocess them manually. In transaction SMQ1 or SMQ2, you can select the queue and choose to reprocess the entries.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues related to the RT290 error.
  
  
  Related Information
  
  
  Transaction Codes:
  
  SMQ1: Monitor outbound qRFC queues.
  SMQ2: Monitor inbound qRFC queues.
  SM59: Maintain RFC destinations.
  SM21: View system logs.
  ST02: Monitor buffer management.
  ST06: Monitor operating system resources.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on qRFC and troubleshooting communication errors.
  
  
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other SAP users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the RT290 error and implement the necessary solutions to resolve the communication issues in the qRFC queues.