FTP Errors
25701 ERROR_FTP_NETWORK - Network subsystem failed to initialize.
25702 ERROR_FTP_LICENSE - Product is not licensed for use on this system.
25703 ERROR_FTP_NOHANDLES - No handles available to this process.
25704 ERROR_FTP_NOTOWNER - Window is not owned by thread or process that created the handle.
25705 ERROR_FTP_HANDLE - Invalid handle passed to function.
25706 ERROR_FTP_MEMORY - Memory allocation failed.
25707 ERROR_FTP_PARAMETER - Invalid parameter passed to function.
25708 ERROR_FTP_HOSTNAME - Invalid host name specified.
25709 ERROR_FTP_SOCKET - Invalid socket descriptor passed to function.
25710 ERROR_FTP_ACCEPT - Unable to accept connection from server.
25711 ERROR_FTP_CONNECT - Unable to establish connection with server.
25712 ERROR_FTP_PEERNAME - Unable to determine peer host address.
25713 ERROR_FTP_BIND - Unable to bind to socket.
25714 ERROR_FTP_LISTEN - Unable to listen for connections.
25715 ERROR_FTP_READ - Failed to read data from server.
25716 ERROR_FTP_WRITE - Failed to write data to server.
25717 ERROR_FTP_RETRY - Operation should be retried.
25718 ERROR_FTP_EOF - End of data stream on socket.
25719 ERROR_FTP_OVERFLOW - Internal buffer overflow.
25720 ERROR_FTP_BLOCKED - Blocking operation in progress.
25721 ERROR_FTP_NOTBUSY - No blocking operation in progress.
25722 ERROR_FTP_TIMEOUT - Operation timed out waiting for response from server.
25723 ERROR_FTP_RESYNC - Unable to synchronize with server.
25724 ERROR_FTP_CLOSED - Remote host closed connection.
25725 ERROR_FTP_NOTREADY - Remote host is not ready, try again later.
25726 ERROR_FTP_NOTAVAIL - Remote host is not available.
25727 ERROR_FTP_SERVICE - Unknown problem with server.
25728 ERROR_FTP_DATAPORT - Unable to create data connection.
25729 ERROR_FTP_DATAOPEN - Data connection already established.
25730 ERROR_FTP_DATACLOSED - Data connection closed.
25731 ERROR_FTP_CANCELED - Operation canceled by client.
25732 ERROR_FTP_READONLY - Data connection is read-only.
25733 ERROR_FTP_WRITEONLY - Data connection is write-only.
25734 ERROR_FTP_FILETYPE - Invalid file type specified.
25735 ERROR_FTP_PASSIVE - Data connection is passive.
25736 ERROR_FTP_ADDRESS - Unable to determine server address.
25737 ERROR_FTP_CREATEFILE - Unable to create local file.
25738 ERROR_FTP_OPENFILE - Unable to open local file.
25739 ERROR_FTP_READFILE - Unable to read from local file.
25740 ERROR_FTP_WRITEFILE - Unable to write to local file.
25741 ERROR_FTP_LOGIN - Unable to log in to server.
25742 ERROR_FTP_OPENFAIL - Unable to open data connection to server.
25743 ERROR_FTP_FILEBUSY - Remote file is unavailable.
25744 ERROR_FTP_NOSPACE - Insufficient storage on server.
25745 ERROR_FTP_COMMAND - Invalid command specified.
25746 ERROR_FTP_ARGUMENT - Invalid command argument specified.
25747 ERROR_FTP_CMDIMP - Command not implemented on this server.
25748 ERROR_FTP_CMDSEQ - Invalid command sequence.
25749 ERROR_FTP_NOLOGIN - No user logged in on server.
25750 ERROR_FTP_NOACCOUNT - Account required for storing files.
25751 ERROR_FTP_ACCESS - Unable to access file on server.
25752 ERROR_FTP_FILEALLOC - File exceeded storage allocation.
25753 ERROR_FTP_FILENAME - Invalid file name specified.
25754 ERROR_FTP_UNEXPECTED - Unexpected result code returned by server.
25755 ERROR_FTP_RESTART - Unable to restart file transfers on this server.
25756 ERROR_FTP_SERVERTYPE - Unknown server type.
25757 ERROR_FTP_NOFILELIST - No file list returned by server.
25758 ERROR_FTP_PARSELIST - Unable to parse file list.
25759 ERROR_FTP_ENDOFLIST - End of file list.
25760 ERROR_FTP_NOTSUPPORTED - Operation is not supported on this server.
25761 ERROR_FTP_PROXYTYPE - Invalid proxy server type specified.
25762 ERROR_FTP_PROXYLOGIN - Unable to log in to proxy server.
25763 ERROR_FTP_NOFILES - No files matching wildcard specification.
25764 ERROR_FTP_LOCALPATH - Local directory path is invalid or cannot be accessed.
25765 ERROR_FTP_PROXYRESYNC - Unable to resynchronize with proxy server.
Secure Edition Errors
25791 ERROR_FTP_SECURE_INITIALIZE - Unable to initialize security interface for this process.
25792 ERROR_FTP_SECURE_CONTEXT - Unable to establish security context for this session.
25793 ERROR_FTP_SECURE_CREDENTIALS - Unable to open client certificate store or establish client credentials.
25794 ERROR_FTP_SECURE_CERTIFICATE - Unable to validate server certificate.
25795 ERROR_FTP_TLS_NEGOTIATION_FAILED - TLS or SSL negotiation failed.
25796 ERROR_FTP_BAD_PROT_LEVEL - Data connection cannot be opened with current PROT setting.
25797 ERROR_FTP_CACHED_TLS_REQUIRED - TLS negotiation unacceptable, perhaps because cached TLS session is required.
