How To Fix SWF_CST011 - RFC ping for destination '&' unsuccessful

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_CST - Message Class for Workflow Customizing

• Message number: 011

• Message text: RFC ping for destination '&' unsuccessful

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 SWF_CST011 - RFC ping for destination '&' unsuccessful ?

  The SAP error message SWF_CST011 indicates that there is an issue with the Remote Function Call (RFC) connection to a specified destination. The message typically means that the system is unable to establish a connection to the specified RFC destination, which is crucial for communication between different SAP systems or between an SAP system and external systems.
  Causes:
  
  Incorrect RFC Destination Configuration: The destination may not be configured correctly in the SAP system.
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the target system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Target System Down: The target SAP system may be down or not reachable.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  SAP Gateway Issues: The SAP Gateway service may not be running or configured properly.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue.
  Verify that the connection parameters (like target host, system number, client, user, and password) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Connection Test" option to check if the connection can be established.
  
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the SAP system and the target system is functioning properly. You can use tools like ping or telnet to test connectivity.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check Target System Status:
  
  Verify that the target SAP system is up and running. You can check this by logging into the target system directly.
  
  
  
  Firewall and Security Settings:
  
  Check if there are any firewall rules or security settings that might be blocking the RFC connection. Ensure that the necessary ports are open.
  
  
  
  SAP Gateway Configuration:
  
  Ensure that the SAP Gateway service is running on both the source and target systems. You can check this in transaction SMGW.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages that might provide more context.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SMGW: Gateway Monitor
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the SWF_CST011 error message. If the problem persists, consider reaching out to your SAP Basis team or SAP support for further assistance.