How To Fix RSM179 - Source system type is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 179

• Message text: Source system type is not allowed

What causes this issue?

The source system type enterd is not permitted. Permitted types of
source systems are:
<zh>SAP</>
Transfer mode meta data = R
Transfer mode data = I
<zh>3rd Party Tool</>
Transfer mode meta data = M
Transfer mode data = T
<zh>Files</>
Transfer mode meta data = M

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

Transfer mode data = F

System Response

How to fix this error?

Enter a valid system type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSM179 - Source system type is not allowed ?

  The SAP error message RSM179, which states "Source system type is not allowed," typically occurs in the context of data extraction or data transfer processes, particularly when working with SAP BW (Business Warehouse) or SAP Data Services. This error indicates that the source system you are trying to connect to or extract data from is not recognized or is not permitted in the current configuration.
  Causes:
  
  Incorrect Source System Configuration: The source system may not be properly configured in the SAP BW system. This could be due to missing or incorrect settings in the source system definition.
  Unsupported Source System Type: The type of source system you are trying to connect to may not be supported by the current version of SAP BW or the specific data extraction method you are using.
  Authorization Issues: The user or system may not have the necessary authorizations to access the specified source system.
  Transport Issues: If the source system was recently transported or changed, it may not have been activated or configured correctly in the target system.
  
  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 correctly defined and activated.
  
  
  
  Verify Source System Type:
  
  Confirm that the source system type you are trying to use is supported. You can check the documentation for your version of SAP BW to see the list of supported source system types.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account being used to access the source system has the necessary authorizations. This may involve checking roles and permissions in both the source and target systems.
  
  
  
  Check for Transport Issues:
  
  If the source system was recently transported, ensure that all necessary objects and configurations have been transported correctly and are active in the target system.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC1: InfoSource Maintenance
  RSMO: Monitor Data Transfer
  
  
  Documentation: Review the SAP Help Portal for documentation related to data extraction and source system configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the cause of the RSM179 error and implement a solution to resolve it.