How To Fix RSAR642 - Connection of InfoSource & to source system & started

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAR - Data Transfer and Metadata Maintenance

• Message number: 642

• Message text: Connection of InfoSource & to source system & started

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAR642 - Connection of InfoSource & to source system & started ?

  The SAP error message RSAR642 typically indicates an issue with the connection between an InfoSource and the source system during data extraction. This error can occur in the context of SAP BW (Business Warehouse) when trying to extract data from a source system, such as an SAP ERP system.
  Cause:
  The error message RSAR642 can be caused by several factors, including:
  
  Connection Issues: There may be a problem with the network connection between the SAP BW system and the source system.
  Authorization Problems: The user credentials used for the connection may not have the necessary authorizations to access the source system.
  Configuration Errors: The InfoSource or the data source may not be configured correctly in the SAP BW system.
  Source System Availability: The source system may be down or not reachable due to maintenance or other issues.
  Data Transfer Process (DTP) Issues: There may be issues with the DTP settings or the extraction process itself.
  
  Solution:
  To resolve the RSAR642 error, you can follow these steps:
  
  
  Check Connection:
  
  Verify that the source system is up and running.
  Test the connection from the SAP BW system to the source system using transaction SM59 (RFC Destinations). Ensure that the connection is successful.
  
  
  
  Review Authorizations:
  
  Ensure that the user ID used for the connection has the necessary authorizations to access the data in the source system.
  
  
  
  Validate Configuration:
  
  Check the configuration of the InfoSource and the data source in the SAP BW system. Ensure that all settings are correct and that the InfoSource is properly linked to the data source.
  
  
  
  Monitor Data Transfer Process (DTP):
  
  Review the DTP settings and ensure that they are correctly configured. Check for any errors in the DTP monitor (transaction RSMO).
  
  
  
  Check Logs:
  
  Look at the logs for more detailed error messages. You can check the application log using transaction SLG1 for any related messages that might provide more context.
  
  
  
  Network Issues:
  
  If there are network issues, work with your IT team to resolve any connectivity problems.
  
  
  
  Restart the Process:
  
  Sometimes, simply restarting the extraction process can resolve transient issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To check and configure RFC connections.
  RSMO: To monitor data transfer processes.
  SLG1: To view application logs for error messages.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to RSAR642 or data extraction problems.
  
  
  Documentation: Refer to SAP BW documentation for best practices on configuring InfoSources and data extraction processes.
  
  
  By following these steps, you should be able to diagnose and resolve the RSAR642 error effectively. If the issue persists, consider reaching out to SAP support for further assistance.