How To Fix RSDD_ZA170 - Only connect one BW system to a BW Accelerator

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 170

• Message text: Only connect one BW system to a BW Accelerator

What causes this issue?

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

System Response

How to fix this error?

Disconnect all BI systems from the BI accelerator, with the exception of
the BI system for which you want to use for this BI accelerator.

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 RSDD_ZA170 - Only connect one BW system to a BW Accelerator ?

  The SAP error message RSDD_ZA170 indicates that you are attempting to connect more than one SAP BW (Business Warehouse) system to a single BW Accelerator. The BW Accelerator is designed to work with only one BW system at a time, and this error arises when there is an attempt to establish multiple connections.
  Cause:
  
  The primary cause of this error is the configuration of the BW Accelerator, which is limited to a single BW system connection. If you try to connect another BW system to the same BW Accelerator, the system will throw this error.
  
  Solution:
  To resolve this error, you need to ensure that only one BW system is connected to the BW Accelerator. Here are the steps you can take:
  
  
  Check Existing Connections: Verify which BW system is currently connected to the BW Accelerator. You can do this by checking the configuration settings in the BW system.
  
  
  Disconnect Other Systems: If you find that another BW system is connected, you will need to disconnect it before you can connect the desired BW system. This typically involves:
  
  Accessing the BW Accelerator administration interface.
  Removing the existing connection to the other BW system.
  
  
  
  Connect the Desired BW System: Once the previous connection is removed, you can proceed to connect the desired BW system to the BW Accelerator.
  
  
  Configuration Verification: After making the changes, verify the configuration to ensure that the connection is established correctly and that the BW Accelerator is functioning as expected.
  
  
  Documentation and Support: If you continue to face issues, refer to the SAP documentation for BW Accelerator or consult SAP support for further assistance.
  
  
  Related Information:
  
  SAP BW Accelerator: This is a specialized database that enhances the performance of SAP BW queries by providing faster data retrieval capabilities.
  System Landscape: In a typical SAP landscape, it is common to have multiple BW systems, but each BW Accelerator can only serve one at a time.
  Performance Tuning: If you are facing performance issues, consider optimizing your BW queries or reviewing the configuration of your BW Accelerator rather than attempting to connect multiple systems.
  
  By following these steps, you should be able to resolve the RSDD_ZA170 error and successfully connect your BW system to the BW Accelerator.