How To Fix DU209 - Error occurred during communication with &


DU209 - Overview

  • Message type: E = Error

  • Message class: DU - Data transfer to SAP-EIS

  • Message number: 209

  • Message text: Error occurred during communication with &

  • Show details Hide details
  • What causes this issue?

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    System Response

    Communicaton was terminated.

    How to fix this error?

    Check RFC destination &v1&, the system log and the dump analysis for
    &v1& and the system log for the gateway.

    Error message extract from SAP system. Copyright SAP SE.


DU209 - Details

  • The SAP error message DU209, which states "Error occurred during communication with &," typically indicates a communication issue between the SAP system and an external system or service. This could involve various components such as middleware, external databases, or other SAP systems.
    Causes:
    
    Network Issues: There may be network connectivity problems between the SAP system and the external system.
    Configuration Errors: Incorrect configuration settings in the RFC (Remote Function Call) destination or in the communication parameters.
    Authorization Issues: The user or service account may not have the necessary permissions to access the external system.
    Service Availability: The external service or system may be down or not responding.
    Firewall Restrictions: Firewalls may be blocking the communication ports required for the connection.
    Protocol Mismatch: There may be a mismatch in the communication protocols being used.
    
    Solutions:
    
    Check Network Connectivity: Ensure that the network connection between the SAP system and the external system is stable and operational. You can use tools like

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