How To Fix CNV_IUUC_REMOTE005 - synchronous execution with one rfc connection

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REMOTE -

• Message number: 005

• Message text: synchronous execution with one rfc connection

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REMOTE005 - synchronous execution with one rfc connection ?

  The SAP error message CNV_IUUC_REMOTE005 typically occurs in the context of data migration or data transfer processes, particularly when using the SAP Landscape Transformation (SLT) replication server or similar tools. This error indicates that there is an issue with the synchronous execution of a process that is expected to run over a single RFC (Remote Function Call) connection.
  Cause:
  The error can be caused by several factors, including:
  
  RFC Connection Issues: The RFC connection may not be properly configured or may be down, leading to communication problems between the systems.
  Network Problems: There could be network issues affecting the connectivity between the source and target systems.
  Configuration Errors: Incorrect settings in the SLT configuration or in the RFC destination settings can lead to this error.
  Resource Limitations: The system may be experiencing resource constraints (e.g., memory, CPU) that prevent it from executing the process synchronously.
  Version Compatibility: There may be compatibility issues between different versions of SAP systems involved in the process.
  
  Solution:
  To resolve the CNV_IUUC_REMOTE005 error, you can take the following steps:
  
  
  Check RFC Connection:
  
  Verify that the RFC connection is correctly configured in transaction SM59.
  Test the connection to ensure it is active and functioning properly.
  
  
  
  Review SLT Configuration:
  
  Check the SLT configuration settings to ensure they are correct and complete.
  Ensure that the source and target systems are properly defined in the SLT configuration.
  
  
  
  Monitor System Resources:
  
  Use transaction SM50 or SM66 to monitor the system's performance and check for any resource bottlenecks.
  If necessary, optimize the system or increase resources.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues affecting the communication between the systems.
  Use tools like ping or traceroute to diagnose network connectivity.
  
  
  
  Review Logs:
  
  Check the SLT logs and the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Update Software:
  
  Ensure that both the source and target systems are running compatible versions of SAP software. If necessary, apply any relevant patches or updates.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SM59 (RFC Destinations), SLT (SAP Landscape Transformation), SM50/SM66 (Process Overview), SLG1 (Application Log).
  Documentation: Refer to the official SAP documentation for SLT and data migration processes for more detailed guidance.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the CNV_IUUC_REMOTE005 error effectively.