How To Fix SPN019 - No response from application server

SAP Error Message - Details

• Message type: E = Error

• Message class: SPN - SPnego

• Message number: 019

• Message text: No response from application server

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.

What else can you do?

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.

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 SPN019 - No response from application server ?

  The SAP error message SPN019, which indicates "No response from application server," typically occurs when a client cannot establish a connection to the SAP application server. This can happen for various reasons, and understanding the cause is crucial for troubleshooting. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the application server.
  Server Down: The application server may be down or not responding due to maintenance or unexpected failures.
  Configuration Issues: Incorrect configuration settings in the SAP GUI or the application server can lead to connection problems.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the application server.
  Load Balancer Issues: If a load balancer is used, it may not be routing requests correctly to the application server.
  SAP Instance Not Running: The specific SAP instance you are trying to connect to may not be running.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or tracert to check if the application server is reachable from the client machine.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Server Status:
  
  Check if the application server is up and running. You can do this by logging into the SAP system using another client or checking the server status through the SAP Management Console (SAP MMC).
  
  
  
  Review Configuration Settings:
  
  Ensure that the SAP GUI is configured correctly with the right application server name, instance number, and system ID.
  Check the saplogon.ini file for any misconfigurations.
  
  
  
  Check Firewall Settings:
  
  Ensure that the necessary ports (usually 3200 for SAP GUI) are open and not blocked by a firewall.
  Consult with your network administrator to verify firewall rules.
  
  
  
  Load Balancer Configuration:
  
  If using a load balancer, check its configuration to ensure it is correctly routing traffic to the application server.
  Review logs for any errors related to load balancing.
  
  
  
  Restart SAP Services:
  
  If you have access, consider restarting the SAP instance or the application server to resolve any temporary issues.
  
  
  
  Check SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed diagnostics and support.
  System Logs: Check the system logs (transaction SM21) for any error messages or warnings that may provide additional context for the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have experienced similar issues and what solutions they found effective.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the SPN019 error.