How To Fix DMF_OUTBOUND006 - Unknown exception during remote function call

SAP Error Message - Details

• Message type: E = Error

• Message class: DMF_OUTBOUND -

• Message number: 006

• Message text: Unknown exception during remote function call

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMF_OUTBOUND006 - Unknown exception during remote function call ?

  The SAP error message DMF_OUTBOUND006, which indicates an "Unknown exception during remote function call," typically arises in the context of data management frameworks (DMF) or when dealing with remote function calls (RFC) in SAP systems. This error can be caused by various factors, and troubleshooting it may require a systematic approach. Here are some potential causes, solutions, and related information:
  Causes:
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC failures.
  Authorization Issues: The user executing the RFC may not have the necessary authorizations to perform the operation.
  Configuration Errors: Incorrect configuration of the RFC destination or DMF settings can lead to this error.
  System Performance: High load on the SAP system or the target system can cause timeouts or failures in processing the RFC.
  Data Issues: Invalid or unexpected data being sent in the RFC call can lead to exceptions.
  Version Compatibility: Mismatches in SAP versions or components can lead to unexpected behavior during RFC calls.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved. You can use tools like ping or traceroute to diagnose connectivity.
  Review Authorizations: Verify that the user executing the RFC has the necessary authorizations. Check roles and profiles assigned to the user.
  Validate RFC Configuration: Check the configuration of the RFC destination in transaction SM59. Ensure that the settings are correct and that the connection test is successful.
  Monitor System Performance: Use transaction ST22 to check for dumps and SM21 for system logs. Look for any performance issues or errors that might indicate a problem.
  Inspect Data Being Transferred: Review the data being sent in the RFC call. Ensure that it meets the expected format and constraints.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this can resolve known issues.
  Debugging: If you have access, consider debugging the RFC function module to identify where the exception is occurring.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  ST22: Dump Analysis
  SM21: System Log
  SLG1: Application Log
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for DMF and RFC to understand the expected behavior and configuration settings.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance, providing them with detailed logs and error messages to facilitate troubleshooting.