How To Fix MSGSERVER043 - Connection to selected servers terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: MSGSERVER - Messages for Message Server

• Message number: 043

• Message text: Connection to selected servers terminated

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 MSGSERVER043 - Connection to selected servers terminated ?

  The SAP error message MSGSERVER043 indicates that the connection to the selected servers has been terminated. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database or other servers can lead to connection termination.
  Server Overload: If the server is overloaded with requests or running out of resources (CPU, memory), it may terminate connections.
  Timeout Settings: Connection timeouts may be set too low, causing the connection to drop if a response is not received in time.
  Configuration Errors: Incorrect configuration settings in the SAP system or the underlying database can lead to connection issues.
  Firewall or Security Settings: Firewalls or security settings may block connections to the server.
  Database Issues: Problems with the database itself, such as being down or unreachable, can cause this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the SAP application server and the database or other servers. Use tools like ping or traceroute to diagnose connectivity.
  Monitor Server Performance: Check the performance metrics of the SAP server and the database server. If the server is overloaded, consider scaling resources or optimizing performance.
  Adjust Timeout Settings: Review and adjust the timeout settings in the SAP system configuration. This can often be done in the SAP GUI under the relevant configuration settings.
  Review Configuration: Verify that all configuration settings in the SAP system and the database are correct. This includes checking the instance profiles and database connection settings.
  Check Firewall Settings: Ensure that firewalls or security settings are not blocking the necessary ports for SAP communication.
  Database Health Check: Perform a health check on the database to ensure it is running correctly and is accessible. Look for any error logs or alerts that may indicate issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. SAP Notes often provide detailed troubleshooting steps and solutions.
  Logs: Review the SAP system logs (transaction SM21) and the developer traces (transaction ST22) for any additional error messages or warnings that may provide more context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.