How To Fix RSDS175 - DataSource &1(&2) already exists: Migration is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 175

• Message text: DataSource &1(&2) already exists: Migration is not possible

What causes this issue?

The DataSource already exists as DataSource (R3TR RSDS).
In the DataSource maintenance (transaction RSDS), it is no longer
displayed as emulated.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Activate the DataSource in the DataSource maintenance in BW (transaction
RSDS).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS175 - DataSource &1(&2) already exists: Migration is not possible ?

  The SAP error message RSDS175 indicates that a DataSource you are trying to migrate already exists in the system. This typically occurs during the process of migrating DataSources from one system to another or when trying to create a DataSource that has already been defined in the system.
  Cause:
  
  Duplicate DataSource: The DataSource you are attempting to create or migrate already exists in the target system.
  Incorrect Migration Process: The migration process may not have been executed correctly, leading to conflicts with existing DataSources.
  System Configuration Issues: There may be inconsistencies in the system configuration or metadata that are causing the system to recognize the DataSource as already existing.
  
  Solution:
  
  
  Check Existing DataSources: 
  
  Use transaction code RSA1 to access the Data Warehousing Workbench and check if the DataSource already exists.
  If it does exist, you may need to decide whether to use the existing DataSource or delete it if it is no longer needed.
  
  
  
  Delete or Rename Existing DataSource:
  
  If the existing DataSource is not needed, you can delete it using the Data Warehousing Workbench.
  Alternatively, if you need to keep the existing DataSource, consider renaming the new DataSource you are trying to create.
  
  
  
  Review Migration Steps:
  
  Ensure that you are following the correct steps for migration. Review the documentation for the migration process to ensure that you are not missing any steps.
  
  
  
  Check for Transport Issues:
  
  If the DataSource was transported from another system, check the transport logs to ensure that the transport was successful and did not create duplicates.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional guidance.
  
  
  
  System Consistency Check:
  
  Run consistency checks on the DataSource and related objects to ensure that there are no underlying issues causing the error.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSD1: DataSource Maintenance
  
  
  SAP Notes: Search for specific SAP Notes related to DataSource migration issues or the RSDS175 error message for more tailored solutions.
  Documentation: Review SAP documentation on DataSource creation and migration for best practices and troubleshooting steps.
  
  By following these steps, you should be able to resolve the RSDS175 error and successfully manage your DataSources in SAP.