How To Fix RT759 - &4: For system &1, message server type &2, return message &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 759

• Message text: &4: For system &1, message server type &2, return message &3

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?

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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 RT759 - &4: For system &1, message server type &2, return message &3 ?

  The SAP error message RT759 typically indicates an issue related to the message server in an SAP system. The message provides information about the system, the type of message server, and a return message that can help diagnose the problem.
  Cause:
  The error message RT759 can occur due to various reasons, including:
  
  Network Issues: There may be connectivity problems between the application server and the message server.
  Configuration Errors: Incorrect configuration settings in the SAP system, such as the message server parameters in the instance profile.
  Message Server Down: The message server may be down or not functioning properly.
  Resource Limitations: The message server may be overloaded or running out of resources (e.g., memory, CPU).
  Firewall or Security Settings: Firewalls or security settings may be blocking communication between the application server and the message server.
  
  Solution:
  To resolve the RT759 error, you can take the following steps:
  
  
  Check Network Connectivity:
  
  Ensure that the application server can reach the message server. You can use tools like ping or telnet to test connectivity.
  
  
  
  Review Configuration Settings:
  
  Check the instance profile settings for the message server. Ensure that parameters such as rdisp/mshost (message server host) and rdisp/msserv (message server port) are correctly configured.
  
  
  
  Restart the Message Server:
  
  If the message server is down, restart it. You can do this through the SAP Management Console (SAP MC) or by using the command line.
  
  
  
  Monitor System Resources:
  
  Check the system resources on the message server. If it is overloaded, consider optimizing the workload or increasing the resources available to the server.
  
  
  
  Check Firewall and Security Settings:
  
  Ensure that there are no firewall rules or security settings that are blocking the necessary ports for communication between the application server and the message server.
  
  
  
  Review SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on message server configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Review the system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.