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FTP/FTPeS command line error codes and their meaning

Code Explanation
100 The requested action is being initiated, expect another reply before proceeding with a new command.
110 Restart marker replay . In this case, the text is exact and not left to the particular implementation; it must read: MARK yyyy = mmmm where yyyy is User-process data stream marker, and mmmm server’s equivalent marker (note the spaces between markers and “=”).
125 Data connection already open; transfer starting.
150 File status okay; about to open data connection.
200 The requested action has been successfully completed.
202 Command not implemented, superfluous at this site.
211 System status, or system help reply.
212 Directory status.
213 File status.
214 Help message. Explains how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user.
215 NAME system type. Where NAME is an official system name from the registry kept by IANA.
220 Service ready for new user.
221 Service closing control connection.
225 Data connection open; no transfer in progress.
226 Closing data connection. Requested file action successful (for example, file transfer or file abort).
227 Entering Passive Mode
228 Entering Long Passive Mode (long address, port).
229 Entering Extended Passive Mode (|||port|).
230 User logged in, proceed. Logged out if appropriate.
231 User logged out; service terminated.
232 Logout command noted, will complete when transfer done.
234 Specifies that the server accepts the authentication mechanism specified by the client, and the exchange of security data is complete. A higher level nonstandard code created by Microsoft.
250 Requested file action okay, completed.
257 “PATHNAME” created.
300 The command has been accepted, but the requested action is on hold, pending receipt of further information.
331 User name okay, need password.
332 Need account for login.
350 Requested file action pending further information
400 The command was not accepted and the requested action did not take place, but the error condition is temporary and the action may be requested again.
421 Service not available, closing control connection. This may be a reply to any command if the service knows it must shut down.
425 Can’t open data connection.
426 Connection closed; transfer aborted.
430 Invalid username or password
434 Requested host unavailable.
450 Requested file action not taken.
451 Requested action aborted. Local error in processing.
452 Requested action not taken. Insufficient storage space in system.File unavailable (e.g., file busy).
500 Syntax error, command unrecognized and the requested action did not take place. This may include errors such as command line too long.
501 Syntax error in parameters or arguments.
502 Command not implemented.
503 Bad sequence of commands.
504 Command not implemented for that parameter.
530 Not logged in.
532 Need account for storing files.
534 Could Not Connect to Server – Policy Requires SSL
550 Requested action not taken. File unavailable (e.g., file not found, no access).
551 Requested action aborted. Page type unknown.
552 Requested file action aborted. Exceeded storage allocation (for current directory or dataset).
553 Requested action not taken. File name not allowed.

 

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