How To Fix 1R566 - Error writing from R/3 System to an FTP server

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 566

• Message text: Error writing from R/3 System to an FTP server

What causes this issue?

File &V1& of length &V2& should be written from the R/3 System to an
FTP server. The FTP client reports an error with return code &V3&.

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?

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 1R566 - Error writing from R/3 System to an FTP server ?

  The SAP error message 1R566 indicates an issue when the R/3 system is trying to write data to an FTP server. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of Error 1R566
  
  
  FTP Server Configuration Issues:
  
  The FTP server may not be configured correctly to accept connections from the SAP system.
  Incorrect FTP server address or port number.
  
  
  
  Authentication Problems:
  
  Invalid username or password for the FTP server.
  The user account may not have the necessary permissions to write to the specified directory.
  
  
  
  Network Issues:
  
  Network connectivity problems between the SAP system and the FTP server.
  Firewall settings may be blocking the connection.
  
  
  
  File Path Issues:
  
  The specified file path on the FTP server may not exist or may be incorrect.
  The directory may not have write permissions for the user account being used.
  
  
  
  SAP Configuration Issues:
  
  Incorrect configuration in the SAP system for the FTP connection.
  Missing or incorrect parameters in the RFC destination settings.
  
  
  
  Solutions to Error 1R566
  
  
  Check FTP Server Configuration:
  
  Verify that the FTP server is running and accessible.
  Ensure that the server address and port are correctly configured in the SAP system.
  
  
  
  Validate Credentials:
  
  Confirm that the username and password used for the FTP connection are correct.
  Check that the user has the necessary permissions to write to the target directory.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check connectivity to the FTP server from the SAP system.
  Review firewall settings to ensure that they allow FTP traffic.
  
  
  
  Verify File Path:
  
  Ensure that the target directory on the FTP server exists and is correctly specified in the SAP configuration.
  Check the permissions of the directory to ensure that the user can write files.
  
  
  
  Review SAP Configuration:
  
  Check the RFC destination settings in the SAP system for the FTP connection.
  Ensure that all required parameters are correctly set.
  
  
  
  Check SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on configuring FTP connections and troubleshooting related issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Logs and Traces: Review the application logs and traces in the SAP system for more detailed error messages that can provide additional context for the issue.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the 1R566 error when writing from the R/3 system to an FTP server.