Code

Description

100 Series

The requested action is being initiated, expect another reply before proceeding with a new command.

110

Restart marker reply.

120

Service ready in nn minutes.

125

Data Connection already open, transfer starting.

150

File status okay, about to open data connection.

200 Series

The requested action has been successfully completed.

200

Command okay.

202

Command not implemented, superfluous at this site.

211

System status, or system help reply.

212

Directory status.

213

File status.

214

Help message.

215

NAME system type. (Where NAME is an official system name from the list in the Assigned Numbers document.)

220

Service ready for new user.

221

Service closing control connection. Logged out if appropriate.

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.

230

User logged in, proceed.

250

Requested file action okay, completed.

257

"PATHNAME" created.

300 Series

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 Series

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.  Try changing from PASV to PORT mode.

426

Connection closed; transfer aborted.

450

Requested file action not taken. File unavailable (e.g., file busy).

451

Requested action aborted: local error in processing.

452

Requested action not taken. Insufficient storage space in system.

500 Series

The command was not accepted and the requested action did not take place.

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.  Your password is being rejected, contact the server administrator.

532

Need account for storing files.

550

Requested action not taken. File unavailable (e.g., file not found, no access).  Contact the server administrator.

552

Requested file action aborted. Exceeded storage allocation (for current directory or data set). Contact the server administrator.

553

Requested action not taken. File name not allowed.  Try changing the file name, or getting rid of spaces in the file name.

10000 series

Winsock error codes

10054

Connection Reset by Peer - The connection was forcibly closed by the remote host.

10060

Can't connect to remote server (Generally a time-out error).  Try switching from PASV to PORT mode.

10061

Can't connect to remote server. The connection is actively refused by the server.  Try switching from PASV to PORT mode.

10066

Directory not empty. The server will not delete this directory while there are files/folders in it.

10068

Too many users, server is full. Contact the server administrator.