How To Fix FDT_DSM001 - Communication failure using RFC connection &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_DSM - BRFplus: Decision Service Manager

• Message number: 001

• Message text: Communication failure using RFC connection &1

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 FDT_DSM001 - Communication failure using RFC connection &1 ?

  The SAP error message FDT_DSM001 indicates a communication failure when using an RFC (Remote Function Call) connection. This error can occur in various scenarios, such as when trying to access a remote system or when there are issues with the configuration of the RFC connection.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system (transaction code SM59).
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Target System Down: The target system may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the communication between the systems.
  Incorrect Parameters: Incorrect parameters in the RFC call can lead to communication failures.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to check if the target system is reachable from the SAP system.
  
  
  
  Verify RFC Destination:
  
  Go to transaction SM59 and check the configuration of the RFC destination. Ensure that the connection type, target host, and system number are correct.
  Test the connection using the "Connection Test" button in SM59.
  
  
  
  Check User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to access the target system.
  
  
  
  Check Target System Status:
  
  Verify that the target system is up and running. If it is down, you may need to contact the system administrator.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the communication between the two systems. Work with your network team to ensure that the necessary ports are open.
  
  
  
  Review RFC Call Parameters:
  
  If you are calling a specific function module, ensure that the parameters being passed are correct and valid.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage and test RFC destinations.
  ST22: To check for dumps that might provide more context on the error.
  SM21: To view system logs for any related error messages.
  
  
  
  SAP Notes: Check SAP Notes for any known issues related to the specific error message or RFC connection problems. You can search for relevant notes in the SAP Support Portal.
  
  
  Logs and Traces: If the issue persists, consider enabling traces for the RFC connection to gather more detailed information about the failure.
  
  
  By following these steps, you should be able to diagnose and resolve the communication failure indicated by the error message FDT_DSM001.