How To Fix FRE704 - Communication failure occured by data transfer

SAP Error Message - Details

• Message type: E = Error

• Message class: FRE - F&R CON R/3 - Messages

• Message number: 704

• Message text: Communication failure occured by data transfer

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 FRE704 - Communication failure occured by data transfer ?

  The SAP error message FRE704, which indicates a "Communication failure occurred by data transfer," typically arises during data transfer processes, such as when using the SAP Data Transfer Workbench, IDocs, or other data transfer methods. This error can be caused by various factors, and understanding the root cause is essential for resolving the issue.
  Possible Causes:
  
  Network Issues: Temporary network disruptions or connectivity problems between the SAP system and the source or target system can lead to communication failures.
  Configuration Errors: Incorrect configuration settings in the SAP system or the connected systems can result in communication failures.
  Timeouts: If the data transfer takes too long, it may exceed the timeout settings, leading to a communication failure.
  System Load: High system load or performance issues can cause delays in processing, resulting in communication errors.
  Authorization Issues: Lack of proper authorizations for the user or system performing the data transfer can lead to failures.
  Data Format Issues: If the data being transferred does not conform to the expected format, it may cause communication errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved in the data transfer. You can use tools like ping or traceroute to diagnose connectivity problems.
  Review Configuration Settings: Verify that all relevant configuration settings in both the source and target systems are correct. This includes checking RFC destinations, logical systems, and any relevant parameters.
  Increase Timeout Settings: If timeouts are suspected, consider increasing the timeout settings in the relevant configuration to allow for longer processing times.
  Monitor System Performance: Check the performance of the SAP system and the network. If the system is under heavy load, consider scheduling data transfers during off-peak hours.
  Check User Authorizations: Ensure that the user or system performing the data transfer has the necessary authorizations to execute the operation.
  Validate Data Formats: Ensure that the data being transferred is in the correct format and adheres to any required standards.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like SM58 (for monitoring asynchronous RFC calls) or SLG1 (for application log) to gather more information about the error.
  Logs and Traces: Review system logs and traces for any additional error messages or warnings that may provide more context about the communication failure.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or consult with a technical expert who can analyze the specific environment and provide tailored assistance.