How To Fix /FLDQ/AD_TECH_ERRORS856 - Unable to communicate with the Data Services server

SAP Error Message - Details

• Message type: E = Error

• Message class: /FLDQ/AD_TECH_ERRORS -

• Message number: 856

• Message text: Unable to communicate with the Data Services 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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /FLDQ/AD_TECH_ERRORS856 - Unable to communicate with the Data Services server ?

  The SAP error message /FLDQ/AD_TECH_ERRORS856 Unable to communicate with the Data Services server typically indicates a communication issue between the SAP system and the Data Services server. This can occur due to various reasons, including network issues, configuration problems, or server downtime.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the Data Services server.
  Server Downtime: The Data Services server might be down or not running.
  Configuration Errors: Incorrect configuration settings in the SAP system or Data Services server can lead to communication failures.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication ports required for Data Services.
  Authentication Issues: Problems with user credentials or permissions can prevent successful communication.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Ensure that the SAP system can reach the Data Services server. You can use tools like ping or traceroute to test connectivity.
  
  
  
  Verify Server Status:
  
  Check if the Data Services server is up and running. If it is down, restart the server or contact your system administrator.
  
  
  
  Review Configuration Settings:
  
  Verify the configuration settings in both the SAP system and the Data Services server. Ensure that the connection parameters (like host, port, and service name) are correctly set.
  
  
  
  Check Firewall Settings:
  
  Ensure that any firewalls between the SAP system and the Data Services server allow traffic on the required ports. You may need to consult with your network administrator.
  
  
  
  Authentication and Permissions:
  
  Confirm that the user credentials used for the connection are correct and that the user has the necessary permissions to access the Data Services server.
  
  
  
  Logs and Traces:
  
  Check the logs on both the SAP system and the Data Services server for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation or Data Services documentation for any specific configuration or troubleshooting steps related to your version.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Data Services Documentation: Review the Data Services documentation for configuration guidelines and troubleshooting tips.
  Support: If the issue persists, consider reaching out to SAP support or your organization's IT support team for further assistance.
  
  By following these steps, you should be able to identify and resolve the communication issue between the SAP system and the Data Services server.