How To Fix R3075 - Source system connection was terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: R3 - Service API messages

• Message number: 075

• Message text: Source system connection was 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R3075 - Source system connection was terminated ?

  The SAP error message R3075, which states "Source system connection was terminated," typically occurs in the context of data extraction or data transfer processes, particularly when dealing with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the connection to the source system (such as an SAP ERP system) was unexpectedly terminated, which can disrupt data extraction or loading processes.
  Causes:
  
  Network Issues: Temporary network disruptions or instability can lead to connection drops.
  Timeout Settings: The connection may have timed out due to inactivity or long-running queries.
  Resource Limitations: Insufficient resources (CPU, memory) on either the source or target system can cause the connection to be terminated.
  Configuration Issues: Incorrect configuration settings in the source system or in the BW system can lead to connection problems.
  System Maintenance: Scheduled maintenance or updates on the source system can cause connections to be dropped.
  Firewall or Security Settings: Firewalls or security settings may block or terminate connections unexpectedly.
  
  Solutions:
  
  Check Network Stability: Ensure that the network connection between the source and target systems is stable. You can use tools like ping or traceroute to diagnose network issues.
  Increase Timeout Settings: If the connection is timing out, consider increasing the timeout settings in the SAP BW system or the source system.
  Monitor System Resources: Check the resource utilization on both the source and target systems. If resources are low, consider optimizing performance or upgrading hardware.
  Review Configuration: Verify the configuration settings for the source system connection in the SAP BW system. Ensure that all parameters are correctly set.
  Check for Maintenance Activities: Confirm if there are any scheduled maintenance activities on the source system that could affect connectivity.
  Firewall and Security Settings: Review firewall and security settings to ensure that they are not blocking the connection. Adjust settings as necessary to allow for stable connections.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor data loads and check for errors.
  Logs and Traces: Review system logs (SM21) and traces (ST22) for additional error messages or warnings that may provide more context about the connection termination.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult with SAP support for further assistance.