How To Fix CNV_MBT_DEX046 - Error occured while reading RFC destination data

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_DEX - DMIS Data Extract related messages

• Message number: 046

• Message text: Error occured while reading RFC destination data

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_DEX046 - Error occured while reading RFC destination data ?

  The SAP error message CNV_MBT_DEX046 indicates that there was an issue while reading RFC (Remote Function Call) destination data. This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other migration tools.
  Causes:
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This could include incorrect connection parameters, such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity issues between the source and target systems, preventing the RFC call from being established.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the required data.
  
  
  System Availability: The target system may be down or not reachable at the time of the RFC call.
  
  
  Transport Layer Issues: There could be issues with the transport layer, such as firewall settings or routing problems that prevent the RFC connection from being established.
  
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Verify the configuration of the RFC destination. Ensure that all parameters (like target host, system number, client, user, and password) are correct.
  Test the connection using the "Test Connection" button to ensure it can connect successfully.
  
  
  
  Network Connectivity:
  
  Check the network connection between the systems. Ensure that there are no firewalls or network policies blocking the connection.
  Use tools like ping or telnet to verify connectivity to the target system.
  
  
  
  User Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to perform the required operations in the target system.
  
  
  
  System Availability:
  
  Check if the target system is up and running. If it is down, you will need to wait until it is available again.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that might provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or documentation related to the specific migration tool or process you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  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.
  
  
  SAP Community: Consider checking the SAP Community forums for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_MBT_DEX046 error.