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

1R566 - Overview

• 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