How To Fix RSDD_ZA052 - No servers 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: 052

• Message text: No servers have a functioning RFC connection to BW Accelerator

What causes this issue?

None of the application servers belonging to this system has an RFC
connection to BW Accelerator. As a result, queries cannot read any data
from BW Accelerator. It is not possible to obtain status information
from 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?

Since there is no RFC connection to BW Accelerator, you cannot start any
automatic actions to resolve the problem. 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_ZA052 - No servers have a functioning RFC connection to BW Accelerator ?

  The SAP error message RSDD_ZA052 indicates that there is an issue with the RFC (Remote Function Call) 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 functioning properly, which can hinder the performance of queries and data processing in BW.
  Causes:
  
  Network Issues: There may be network connectivity problems between the BW system and the BW Accelerator.
  BW Accelerator Down: The BW Accelerator service may not be running or may have crashed.
  Configuration Issues: Incorrect configuration settings in the BW system or the BW Accelerator can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the BW Accelerator.
  RFC Destination Issues: The RFC destination configured for the BW Accelerator may be incorrect or not properly set up.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the network connection between the BW system and the BW Accelerator is stable and functioning. You can use tools like ping or traceroute to test connectivity.
  
  
  
  Verify BW Accelerator Status:
  
  Check if the BW Accelerator is up and running. You can do this by logging into the BW Accelerator system and checking the status of the services.
  
  
  
  Review Configuration Settings:
  
  Go to the SAP BW system and check the configuration settings for the BW Accelerator. Ensure that the RFC destination is correctly configured.
  You can check the RFC destination in transaction SM59. Make sure the connection type is set correctly and test the connection.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the BW Accelerator. You may need to consult with your security team to verify this.
  
  
  
  Restart Services:
  
  If the BW Accelerator is down, try restarting the services. This can often resolve temporary issues.
  
  
  
  Check Logs:
  
  Review the logs in both the BW system and the BW Accelerator for any error messages or warnings that could provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: To check and configure RFC destinations.
  RSCAT: To check the status of the BW Accelerator.
  RSD1: To manage InfoProviders and check their settings.
  
  
  
  Documentation: Refer to the official SAP documentation for BW and BW Accelerator for detailed configuration and troubleshooting steps.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to diagnose and resolve the RSDD_ZA052 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.