How To Fix UAS603 - Error when accessing BW System &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UAS -

• Message number: 603

• Message text: Error when accessing BW System &1

What causes this issue?

Not possible to access BW System.

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?

Execute the selected function again.

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 UAS603 - Error when accessing BW System &1 ?

  The SAP error message UAS603 typically indicates an issue when trying to access a Business Warehouse (BW) system. This error can arise due to various reasons, including configuration issues, authorization problems, or connectivity issues between the systems.
  Cause:
  
  Authorization Issues: The user may not have the necessary authorizations to access the BW system.
  Connectivity Problems: There may be network issues or misconfigurations that prevent the connection to the BW system.
  System Configuration: The BW system may not be properly configured or may be down.
  Incorrect System Alias: The system alias used to connect to the BW system may be incorrect or not defined.
  Transport Layer Issues: If there are issues with the transport layer or if the BW system is not properly registered in the landscape, this error can occur.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to access the BW system. This can be done by checking the roles assigned to the user in the SAP system.
  Verify Connectivity: Test the network connection to the BW system. You can use transaction codes like SM59 to check the RFC connections and ensure they are configured correctly.
  System Configuration: Check the configuration of the BW system to ensure it is up and running. You may need to consult with your Basis team to verify the status of the BW system.
  Review System Alias: Ensure that the system alias used in the connection settings is correct and that it points to the right BW system.
  Check Transport Layer: If applicable, ensure that the transport layer is correctly set up and that the BW system is properly registered in the SAP landscape.
  Consult Logs: Check the system logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM59 (RFC Destinations), SU01 (User Maintenance), and ST22 (Dump Analysis) to troubleshoot the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the UAS603 error.
  Documentation: Review SAP documentation related to BW system connectivity and authorization management for more detailed guidance.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support or your internal SAP Basis team for further assistance.