How To Fix 04103 - Connection to &: Internal error

SAP Error Message - Details

• Message type: E = Error

• Message class: 04 -

• Message number: 103

• Message text: Connection to &: Internal error

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 04103 - Connection to &: Internal error ?

  The SAP error message "04103 Connection to &: Internal error" typically indicates a problem with the connection to the database or the application server. This error can arise from various underlying issues, including network problems, configuration errors, or issues with the SAP system itself.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP application server and the database server can lead to this error.
  Database Issues: The database may be down, unresponsive, or experiencing performance issues.
  Configuration Errors: Incorrect configuration settings in the SAP system or database connection parameters can cause connection failures.
  Resource Limitations: Insufficient resources (CPU, memory, etc.) on the application server or database server can lead to internal errors.
  SAP System Issues: Bugs or inconsistencies in the SAP system itself may trigger this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the database server is stable and functioning correctly. You can use tools like ping or traceroute to diagnose network issues.
  Database Status: Verify that the database is up and running. Check the database logs for any errors or performance issues.
  Review Configuration: Check the configuration settings in the SAP system, particularly the database connection parameters. Ensure that they are correct and match the database settings.
  Monitor System Resources: Use monitoring tools to check the resource usage on both the application server and the database server. If resources are low, consider optimizing performance or scaling up the resources.
  SAP Notes and Patches: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to this error.
  Restart Services: Sometimes, simply restarting the SAP application server or the database server can resolve transient issues.
  Consult Logs: Review the SAP application logs (transaction SM21) and the database logs for more detailed error messages that can provide insights into the root cause.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Documentation: Refer to the official SAP documentation for your specific version to find more detailed troubleshooting steps related to connection issues.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to diagnose and resolve the "04103 Connection to &: Internal error" in your SAP environment.