How To Fix RSDTM101 - Could not find external source system.

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDTM - Data Mining Connection Messages

• Message number: 101

• Message text: Could not find external source system.

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 RSDTM101 - Could not find external source system. ?

  The SAP error message RSDTM101: Could not find external source system typically occurs in the context of SAP BW (Business Warehouse) when the system is unable to locate the specified external source system. This can happen for various reasons, and understanding the cause is essential for troubleshooting the issue.
  Causes:
  
  
  Incorrect Source System Configuration: The source system may not be properly configured in the SAP BW system. This could include missing or incorrect settings in the source system definition.
  
  
  Source System Not Activated: The source system might not be activated or might be in a state that prevents it from being accessed.
  
  
  Network Issues: There could be network connectivity issues between the SAP BW system and the external source system.
  
  
  Authorization Issues: The user or the system may not have the necessary authorizations to access the external source system.
  
  
  Transport Issues: If the source system configuration was transported from another system, there may have been issues during the transport process.
  
  
  Data Source Not Defined: The data source that is supposed to pull data from the external source system may not be defined correctly.
  
  
  Solutions:
  
  
  Check Source System Configuration:
  
  Go to the SAP BW system and check the configuration of the source system in transaction RSA1 (Data Warehousing Workbench).
  Ensure that the source system is defined correctly and that all necessary parameters are set.
  
  
  
  Activate the Source System:
  
  If the source system is not activated, activate it in the Data Warehousing Workbench.
  
  
  
  Verify Network Connectivity:
  
  Check the network connection between the SAP BW system and the external source system. Ensure that there are no firewalls or network issues blocking access.
  
  
  
  Check Authorizations:
  
  Ensure that the user or the system has the necessary authorizations to access the external source system. This may involve checking roles and authorizations in both the SAP BW and the source system.
  
  
  
  Review Transport Logs:
  
  If the source system configuration was transported, review the transport logs for any errors or warnings that may indicate issues during the transport process.
  
  
  
  Define Data Source:
  
  Ensure that the data source is defined correctly in the SAP BW system. Check the settings in transaction RSA1 under the Data Sources section.
  
  
  
  Check for System Updates:
  
  Sometimes, applying the latest patches or updates to the SAP system can resolve underlying issues that may cause this error.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: Maintain Data Sources
  RSC3: Monitor Data Sources
  
  
  
  SAP Notes: Check SAP Notes related to this error message for any specific fixes or recommendations provided by SAP.
  
  
  Documentation: Refer to the SAP BW documentation for detailed information on configuring and managing source systems.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the RSDTM101 error message in your SAP BW system.