How To Fix SWL_WP026 - RFC to logical system & failed

SAP Error Message - Details

• Message type: E = Error

• Message class: SWL_WP - Message for Workflow in Workplace

• Message number: 026

• Message text: RFC to logical system & failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWL_WP026 - RFC to logical system & failed ?

  The SAP error message SWL_WP026 indicates that there is a problem with the Remote Function Call (RFC) to a logical system. This error typically occurs in the context of workflow processing, where the system is trying to communicate with another SAP system or logical system but fails to establish a connection.
  Causes of SWL_WP026
  
  
  Network Issues: There may be network connectivity problems between the SAP systems. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: The logical system may not be correctly configured in the SAP system. This includes incorrect RFC destination settings or missing entries in the TMS (Transport Management System).
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target logical system.
  
  
  System Downtime: The target logical system may be down for maintenance or experiencing issues that prevent it from responding to RFC calls.
  
  
  Incorrect Logical System Name: The logical system name specified in the workflow may be incorrect or not exist in the target system.
  
  
  Solutions to SWL_WP026
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the network connection between the systems is functioning correctly.
  Ensure that any firewalls or network security settings allow traffic between the two systems.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 and check the configuration of the RFC destination that corresponds to the logical system.
  Test the connection using the "Connection Test" feature in SM59 to ensure it can connect successfully.
  
  
  
  Check Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations in both the source and target systems.
  
  
  
  Check System Status:
  
  Verify that the target logical system is up and running. You can check the system status in transaction SM51 or by contacting the system administrator.
  
  
  
  Review Workflow Configuration:
  
  Check the workflow configuration to ensure that the correct logical system name is being used. You can review the workflow settings in transaction SWDD or SWI1.
  
  
  
  Consult Logs:
  
  Review the system logs (transaction SM21) and the workflow logs (transaction SWI1) for any additional error messages or information that may provide more context about the failure.
  
  
  
  Related Information
  
  RFC (Remote Function Call): A protocol used in SAP systems to enable communication between different systems or between different instances of the same system.
  Logical System: A representation of an SAP system in the SAP landscape, used for various purposes including data transfer and communication.
  Workflow: A sequence of processes or tasks that are executed in a specific order, often involving multiple systems or users.
  
  If the issue persists after checking the above points, it may be necessary to involve your SAP Basis team or consult SAP support for further assistance.