FTP Status Codes


100 SeriesThe requested action was initiated; expect another reply before proceeding with a new command.
110Restart marker reply.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 "=").
120Service ready in nn minutes.(Informational)
125Data Connection already open; transfer starting.(Informational)
150File status okay; about to open data connection.FTP uses two ports: 21 for sending commands, and 20 for sending data. A status code of 150 indicates that the server is about to open a new connection on port 20 to send some data.
200 SeriesThe requested action has been successfully completed.
200Command okay.(Informational)
202Command not implemented, superfluous at this site.(Informational)
211System status, or system help reply.(Informational)
212Directory status.(Informational)
213File status.(Informational)
214Help message.(Informational)
215NAME system type.Where NAME is an official system name from the list in the Assigned Numbers document.
220Service ready for new user.(Informational)
221Service closing control connection.Logged out if appropriate.
225Data connection open; no transfer in progress.(Informational)
226Closing data connection.Requested file action successful (for example; file transfer or file abort). The command opens a data connection on port 20 to perform an action, such as transferring a file. This action successfully completes, and the data connection is closed.
227Entering Passive Mode.(h1,h2,h3,h4,p1,p2)
230User logged in, proceed. This status code appears after the client sends the correct password. It indicates that the user has successfully logged on.(Informational)
250Requested file action okay, completed.(Informational)
257"PATHNAME" created.(Informational)
300 SeriesThe command has been accepted, but the requested action is on hold, pending receipt of further information.
331User name okay, need password.You see this status code after the client sends a user name, regardless of whether the user name that is provided is a valid account on the system.
332Need account for login.Provide login credentials
350Requested file action pending further information.(Informational)
400 SeriesThe 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.
421Error 421 Service not available, closing control connection. Error 421 User limit reached Error 421 You are not authorized to make the connection Error 421 Max connections reached Error 421 Max connections exceededThis can be a reply to any command if the service knows it must shut down. Try logging in later.
425Cannot open data connection.Change from PASV to PORT mode, check your firewall settings, or try to connect via HTTP.
426Connection closed; transfer aborted.The command opens a data connection to perform an action, but that action is canceled, and the data connection is closed. Try logging back in; contact your hosting provider to check if you need to increase your hosting account; try disabling the firewall on your PC to see if that solves the problem. If not, contact your hosting provider or ISP.
450Requested file action not taken.File unavailable (e.g., file busy). Try again later.
451Requested action aborted: local error in processing.Ensure command and parameters were typed correctly.
452Requested action not taken. Insufficient storage space in system.Ask FTP administrator to increase allotted storage space, or archive/delete remote files.

500 Series

The command was not accepted and the requested action did not take place.
500Syntax error, command unrecognized, command line too long.Try switching to passive mode.
501Syntax error in parameters or arguments.Verify your input; e.g., make sure there are no erroneous characters, spaces, etc.
502Command not implemented.The server does not support this command.
503Bad sequence of commands.Verify command sequence.
504Command not implemented for that parameter.Ensure entered parameters are correct.
530User not logged in.Ensure that you typed the correct user name and password combination. Some servers use this code instead of 421 when the user limit is reached
532Need account for storing files.Logged in user does not have permission to store files on remote server.
550Requested action not taken. File unavailable, not found, not accessibleVerify that you are attempting to connect to the correct server/location. The administrator of the remote server must provide you with permission to connect via FTP.
552Requested file action aborted. Exceeded storage allocation.

More disk space is needed. Archive files on the remote server that you no longer need.

553Requested action not taken. File name not allowed.Change the file name or delete spaces/special characters in the file name.
10,000 seriesCommon Winsock Error Codes (complete list of Winsock error codes)
10054Connection reset by peer. The connection was forcibly closed by the remote host.(Informational)
10060Cannot connect to remote server.Generally a time-out error. Try switching from PASV to PORT mode, or try increasing the time-out value.
10061Cannot connect to remote server. The connection is actively refused by the server.Try switching the connection port.
10066Directory not empty.The server will not delete this directory while there are files/folders in it. If you want to remove the directory, first archive or delete the files in it.
10068Too many users, server is full.Try logging in at another time.