How To Fix SAMQP_MESSAGE019 - Connection is not established.

SAP Error Message - Details

• Message type: E = Error

• Message class: SAMQP_MESSAGE -

• Message number: 019

• Message text: Connection is not established.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAMQP_MESSAGE019 - Connection is not established. ?

  The SAP error message SAMQP_MESSAGE019, which indicates that a connection is not established, typically arises in the context of SAP's messaging framework, particularly when dealing with the SAP Advanced Message Queuing Protocol (AMQP) or similar messaging services. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the messaging server.
  Configuration Errors: Incorrect configuration settings in the SAP system or the messaging server can prevent a successful connection.
  Service Availability: The messaging service may not be running or may be experiencing downtime.
  Firewall Restrictions: Firewalls or security groups may be blocking the necessary ports for communication.
  Authentication Issues: Incorrect credentials or authentication methods can lead to connection failures.
  Version Compatibility: Incompatibility between the SAP system and the messaging server versions can also cause connection issues.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the SAP system can reach the messaging server.
  Ensure that there are no network outages or disruptions.
  
  
  
  Review Configuration Settings:
  
  Verify the configuration settings in the SAP system for the messaging service. Check parameters such as host, port, and protocol.
  Ensure that the configuration matches the settings on the messaging server.
  
  
  
  Check Service Status:
  
  Ensure that the messaging service is up and running. Restart the service if necessary.
  Check logs on the messaging server for any errors or warnings that might indicate issues.
  
  
  
  Firewall and Security Settings:
  
  Review firewall rules to ensure that the necessary ports are open for communication between the SAP system and the messaging server.
  If applicable, check security group settings in cloud environments.
  
  
  
  Verify Authentication Credentials:
  
  Double-check the username and password used for authentication. Ensure that they are correct and have the necessary permissions.
  If using certificates, ensure they are valid and properly configured.
  
  
  
  Check for Version Compatibility:
  
  Ensure that the versions of the SAP system and the messaging server are compatible. Consult the documentation for both systems for compatibility information.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to SAMQP_MESSAGE019. SAP frequently updates its knowledge base with solutions to common problems.
  Logs: Review the application logs in both the SAP system and the messaging server for more detailed error messages that can provide additional context.
  Documentation: Refer to the official SAP documentation for the messaging framework you are using (e.g., AMQP) for configuration guidelines and troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the SAMQP_MESSAGE019 error effectively.