How To Fix SAMQP_MESSAGE030 - Link is created but is refused by peer.

SAP Error Message - Details

• Message type: E = Error

• Message class: SAMQP_MESSAGE -

• Message number: 030

• Message text: Link is created but is refused by peer.

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 SAMQP_MESSAGE030 - Link is created but is refused by peer. ?

  The SAP error message SAMQP_MESSAGE030: Link is created but is refused by peer typically occurs in the context of SAP's messaging system, particularly when using the SAP Advanced Message Queuing Protocol (AMQP) or when dealing with SAP's messaging services. This error indicates that a connection attempt was made, but the remote peer (the other end of the connection) has refused the link.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the messaging broker or service.
  Configuration Errors: Incorrect configuration settings in the SAP system or the messaging broker can lead to refusal of the connection.
  Authentication Failures: If the credentials used to connect to the messaging service are incorrect or not authorized, the connection may be refused.
  Resource Limitations: The messaging broker may have reached its limit for connections or resources, causing it to refuse new links.
  Firewall or Security Settings: Firewalls or security settings may be blocking the connection attempts.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the SAP system and the messaging broker. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the messaging broker. Ensure that the connection parameters (host, port, etc.) are correct.
  Validate Credentials: Check the authentication credentials being used to connect to the messaging service. Ensure they are correct and have the necessary permissions.
  Monitor Resource Usage: Check the resource usage on the messaging broker to ensure it is not overloaded. If it is, consider scaling up resources or optimizing usage.
  Firewall Rules: Review firewall settings to ensure that the necessary ports are open and that there are no rules blocking the connection.
  Logs and Diagnostics: Check the logs of both the SAP system and the messaging broker for more detailed error messages that can provide additional context on the refusal.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review the official SAP documentation for the messaging services being used to ensure compliance with configuration and operational guidelines.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed logs and configuration settings for further analysis.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the SAMQP_MESSAGE030 error.