How To Fix SL271 - terminated: connect() error (errno=&)

SAP Error Message - Details

• Message type: E = Error

• Message class: SL - System log

• Message number: 271

• Message text: terminated: connect() error (errno=&)

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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First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SL271 - terminated: connect() error (errno=&) ?

  The SAP error message "SL271 terminated: connect() error (errno=&)" typically indicates a problem with the connection to the SAP system, often related to network issues, configuration problems, or resource limitations. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Network Issues: There may be a network connectivity problem between the client and the SAP server.
  Configuration Errors: Incorrect configuration settings in the SAP system or the network settings can lead to connection failures.
  Resource Limitations: The SAP server may be running out of resources (e.g., memory, CPU) to handle new connections.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection to the SAP server.
  Service Not Running: The SAP service (e.g., SAP GUI, application server) may not be running or may have crashed.
  Incorrect Hostname or Port: The hostname or port specified in the connection settings may be incorrect.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify connectivity to the SAP server.
  Ensure that the network is stable and that there are no interruptions.
  
  
  
  Verify Configuration Settings:
  
  Check the SAP connection parameters (e.g., instance number, hostname, port) in the SAP GUI or configuration files.
  Ensure that the settings match those configured on the SAP server.
  
  
  
  Monitor Server Resources:
  
  Check the SAP server for resource usage (CPU, memory, etc.) using tools like SAP transaction ST06 or OS-level monitoring tools.
  If resources are low, consider optimizing the server or increasing its capacity.
  
  
  
  Check Firewall and Security Settings:
  
  Ensure that the firewall settings allow traffic on the required ports for SAP (e.g., 3200 for SAP GUI).
  Review any security policies that may restrict access to the SAP server.
  
  
  
  Restart SAP Services:
  
  If the SAP service is not running, restart it using the appropriate commands or tools (e.g., SAP Management Console).
  Check for any error logs that may indicate why the service is not running.
  
  
  
  Review Logs:
  
  Check the SAP logs (e.g., dev_w0, dev_r0) for any error messages that may provide more context about the connection issue.
  Look for any specific error codes or messages that can guide troubleshooting.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or related issues.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on connection settings and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting business operations.
  
  By following these steps, you should be able to diagnose and resolve the "SL271 terminated: connect() error (errno=&)" error in your SAP environment.