How To Fix RLFW144 - No list of servers received.

SAP Error Message - Details

• Message type: E = Error

• Message class: RLFW - Messages for runlevel framework

• Message number: 144

• Message text: No list of servers received.

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RLFW144 - No list of servers received. ?

  The SAP error message RLFW144 "No list of servers received" typically occurs in the context of SAP's application server communication, particularly when there is an issue with the connection to the server or when the server list cannot be retrieved. This can happen in various scenarios, such as when using SAP GUI, during system logon, or when trying to access certain services.
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the SAP server.
  Configuration Issues: The SAP system may not be properly configured to provide a list of available servers.
  SAP Router Problems: If an SAP router is being used, it may not be configured correctly or may be down.
  Server Availability: The SAP application server may be down or not responding.
  Firewall Settings: Firewalls may be blocking the necessary ports for communication.
  Load Balancer Issues: If a load balancer is used, it may not be functioning correctly or may not be configured to route requests properly.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the client machine can reach the SAP server. You can use tools like ping or tracert to diagnose network issues.
  Verify SAP Configuration: Check the SAP profile parameters and ensure that the instance is correctly configured to provide server lists.
  Review SAP Router Configuration: If using an SAP router, verify that it is correctly configured and operational.
  Check Server Status: Use transaction codes like SM51 to check the status of application servers and ensure they are up and running.
  Firewall Rules: Ensure that the necessary ports (like 3200 for SAP) are open and not blocked by firewalls.
  Load Balancer Configuration: If applicable, check the load balancer settings to ensure it is routing requests correctly to the SAP servers.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide specific guidance based on your system configuration.
  Logs and Traces: Review the system logs (transaction SM21) and developer traces (transaction ST11) for any additional error messages that may provide more context.
  Documentation: Refer to SAP documentation for your specific version to understand the configuration settings related to server lists and communication.
  
  By following these steps, you should be able to diagnose and resolve the RLFW144 error in your SAP environment.