How To Fix RSD_TREX178 - Cannot retrieve the amount of available memory on the BWA server

SAP Error Message - Details

• Message type: E = Error

• Message class: RSD_TREX - Messages from TREX Aggregate Area

• Message number: 178

• Message text: Cannot retrieve the amount of available memory on the BWA server

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSD_TREX178 - Cannot retrieve the amount of available memory on the BWA server ?

  The SAP error message RSD_TREX178 indicates that the system is unable to retrieve the amount of available memory on the BWA (Business Warehouse Accelerator) server. This can occur due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes:
  
  BWA Server Unavailability: The BWA server may be down or not reachable due to network issues or server crashes.
  Configuration Issues: Incorrect configuration settings in the BWA or the connection settings in the SAP BW system can lead to this error.
  Insufficient Permissions: The user or service account may not have the necessary permissions to access the BWA server.
  Resource Limitations: The BWA server may be experiencing high load or resource limitations, preventing it from responding to memory queries.
  Version Compatibility: There may be compatibility issues between the SAP BW system and the BWA server version.
  
  Solutions:
  
  Check BWA Server Status: Ensure that the BWA server is up and running. You can do this by checking the server logs or using monitoring tools.
  Network Connectivity: Verify that there are no network issues preventing communication between the SAP BW system and the BWA server. You can use ping or traceroute commands to check connectivity.
  Review Configuration Settings: Check the configuration settings in the SAP BW system for the BWA connection. Ensure that the settings are correct and match the BWA server configuration.
  User Permissions: Ensure that the user or service account used to connect to the BWA server has the necessary permissions to access memory information.
  Monitor Resource Usage: Use monitoring tools to check the resource usage on the BWA server. If the server is under heavy load, consider optimizing queries or increasing server resources.
  Check for Updates: Ensure that both the SAP BW and BWA server are running compatible versions. If necessary, apply patches or updates to resolve compatibility issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to BWA and memory issues for any specific fixes or recommendations.
  Logs and Traces: Review the logs on both the SAP BW and BWA server for any additional error messages or warnings that could provide more context.
  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 RSD_TREX178 error effectively. If the problem persists, consider reaching out to SAP support for further assistance.