How To Fix RT474 - Availability check: RFC_PING to logon groups or instances

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 474

• Message text: Availability check: RFC_PING to logon groups or instances

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT474 - Availability check: RFC_PING to logon groups or instances ?

  The SAP error message RT474, which states "Availability check: RFC_PING to logon groups or instances," typically indicates an issue with the connectivity or availability of the SAP application servers or logon groups. This error can occur during various operations, such as when trying to access a transaction or when performing a system check.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the client or between different application servers.
  Server Down: The specific application server or logon group may be down or not responding.
  Configuration Issues: Incorrect configuration in the SAP system regarding the logon groups or application servers.
  Load Balancer Issues: If a load balancer is used, it may not be routing requests correctly to the available servers.
  Firewall Restrictions: Firewalls may be blocking the necessary ports for communication between the client and the SAP servers.
  
  Solutions:
  
  Check Server Status: Verify that the application servers and logon groups are up and running. You can do this using transaction code SM51 to see the list of active servers.
  Network Connectivity: Test the network connectivity using tools like ping or traceroute to ensure that the client can reach the SAP servers.
  Review Configuration: Check the configuration of the logon groups in transaction SMLG to ensure they are set up correctly.
  Check Load Balancer: If applicable, verify that the load balancer is functioning correctly and routing traffic to the available servers.
  Firewall Settings: Ensure that the necessary ports (typically 3200 for SAP) are open and not blocked by any firewalls.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM51: To check the status of application servers.
  SMLG: To manage logon groups.
  SM21: To check system logs for any related errors.
  ST22: To check for dumps that may provide more context on the error.
  
  
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance, providing them with detailed logs and error messages.
  
  
  Documentation: Review the official SAP documentation for more insights into availability checks and troubleshooting connectivity issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RT474 error effectively.