How To Fix RSDD_ZA053 - Server &1 does not have a functioning RFC connection to BW Accelerator

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 053

• Message text: Server &1 does not have a functioning RFC connection to BW Accelerator

What causes this issue?

The application server &V1& of this system does not have an RFC
connection to BW Accelerator. From this server, queries cannot read data
from BW Accelerator, and status information cannot be obtained from BW
Accelerator. It is not possible to perform actions on BW Accelerator
either.

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?

Restart the BW Accelerator servers. By doing this, the RFC servers for
all application servers of the current system are rebuilt. If this is
not successful, contact your system administrator.

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_ZA053 - Server &1 does not have a functioning RFC connection to BW Accelerator ?

  The SAP error message RSDD_ZA053 indicates that there is an issue with the Remote Function Call (RFC) connection between the SAP BW (Business Warehouse) system and the BW Accelerator. This error typically arises when the BW Accelerator is not reachable or not properly configured.
  Cause:
  
  Network Issues: There may be network connectivity problems between the BW system and the BW Accelerator.
  RFC Configuration: The RFC destination for the BW Accelerator may not be correctly configured or may be missing.
  BW Accelerator Status: The BW Accelerator may not be running or may be in a state that does not allow connections.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Configuration: There may be configuration issues in the BW system or the BW Accelerator that prevent a successful connection.
  
  Solution:
  
  
  Check Network Connectivity:
  
  Ensure that the BW system can reach the BW Accelerator over the network. You can use tools like ping or telnet to test connectivity.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the RFC destination that points to the BW Accelerator. Ensure that it is correctly configured and test the connection using the "Test Connection" button.
  
  
  
  Check BW Accelerator Status:
  
  Ensure that the BW Accelerator is up and running. You may need to check the logs or the management console of the BW Accelerator for any errors.
  
  
  
  Review Authorizations:
  
  Ensure that the user used for the RFC connection has the necessary authorizations to access the BW Accelerator.
  
  
  
  Check Configuration:
  
  Review the configuration settings in both the BW system and the BW Accelerator. Ensure that all necessary parameters are set correctly.
  
  
  
  Restart Services:
  
  If everything seems correct but the issue persists, consider restarting the BW Accelerator services or the BW system.
  
  
  
  Consult Logs:
  
  Check the system logs (transaction SM21) and the BW Accelerator logs for any additional error messages that might provide more context on the issue.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for BW and BW Accelerator for configuration and troubleshooting guidelines.
  Support: If the issue cannot be resolved, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSDD_ZA053 error message.