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How To Fix SAML001 - Error when communicating with RFC destination &1: &2&3&4


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SAML - Messages for SAML

  • Message number: 001

  • Message text: Error when communicating with RFC destination &1: &2&3&4

  • Show details Hide details
  • What causes this issue?

    An error occurred when communicating with the J2EE Engine using RFC
    destination &V1&.
    The error text is: &V2&&V3&&V4&.

    System Response

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

    How to fix this error?

    Check in SAP Web AS ABAP whether the specified RFC destination for the
    J2EE Engine is correctly configured.
    Check in the J2EE Engine that the RFC server is correctly set up in the
    "JCo RFC Provider" service.

    Procedure for System Administrators


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message SAML001 - Error when communicating with RFC destination &1: &2&3&4 ?

    The SAP error message SAML001 typically indicates an issue with the communication between the SAP system and an RFC (Remote Function Call) destination. This error can occur in various scenarios, particularly when dealing with Single Sign-On (SSO) configurations or when trying to establish a connection to another SAP system or external service.

    Causes of SAML001 Error

    1. Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters, such as the target host, system number, or client.

    2. Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target system defined in the RFC destination.

    3. Authentication Issues: If the RFC destination is set up to use SSO, there may be issues with the authentication mechanism, such as missing or incorrect certificates.

    4. Authorization Issues: The user or service account being used to connect may not have the necessary authorizations to access the target system.

    5. Service Availability: The target system may be down or not available, leading to communication failures.

    6. SAP Kernel or Patch Level: There may be bugs or issues in the current version of the SAP kernel or patches that affect RFC communication.

    Solutions to SAML001 Error

    1. Check RFC Destination Configuration:

      • Go to transaction SM59 and verify the settings of the RFC destination.
      • Ensure that the connection type, target host, system number, and client are correctly configured.
    2. Test the RFC Connection:

      • In transaction SM59, use the "Test Connection" feature to check if the RFC destination is reachable and functioning correctly.
    3. Review Network Connectivity:

      • Ensure that there are no firewall rules or network issues blocking the connection to the target system.
      • Use tools like ping or telnet to check connectivity to the target host.
    4. Check Authentication Settings:

      • If using SSO, verify that the necessary certificates are installed and configured correctly.
      • Ensure that the user credentials used for the RFC connection are valid and have the necessary permissions.
    5. Review Authorization:

      • Check the authorizations of the user or service account being used for the RFC connection.
      • Ensure that the user has the necessary roles and permissions to access the target system.
    6. Check Target System Availability:

      • Ensure that the target SAP system or service is up and running.
      • Check for any maintenance activities or downtimes that might affect availability.
    7. Update SAP Kernel/Patches:

      • If the issue persists, consider checking for any available updates or patches for the SAP kernel that might address known issues related to RFC communication.

    Related Information

    • Transaction Codes:

      • SM59: To manage and test RFC destinations.
      • SICF: To check and manage HTTP services, especially if the RFC is HTTP-based.
      • SU53: To analyze authorization issues after an error occurs.
    • Logs and Traces:

      • Check the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that might provide more context.
      • Use transaction ST01 to activate the trace for authorization checks or RFC calls to gather more information.

    By following these steps, you should be able to diagnose and resolve the SAML001 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.

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