Dialup Networking Error Codes for Windows

Error Number Error Message
600 An Operation is Pending.
601 The port handle is invalid
602 The port is already open
603 Caller's buffer is too small
604 Wrong information specified
605 Cannot set port information
606 The port is not connected
607 The event is invalid
608 The device does not exist
609 The device type does not exist
610 The buffer is invalid
611 The route is not available
612 The route is not allocated
613 Invalid compression specified
614 Out of buffers
615 The port was not found
616 An asynchronous request is pending
617 The port or device is already disconnecting
618 The port is not open
619 The port is disconnected
620 There are no endpoints
621 Cannot open the phone book file
622 Cannot load the phone book file
623 Cannot find the phone book entry
624 Cannot write the phone book file
625 Invalid information found in the phone book
626 Cannot load a string
627 Cannot find key
628 The port was disconnected
629 The port was disconnected by the remote machine
630 The port was disconnected due to hardware failure
631 The port was disconnected by the user
632 The structure size is incorrect
633 The port is already in use or is not configured for Remote Access dialout
634 Cannot register your computer on the remote network
635 Unknown error
636 The wrong device is attached to the port
637 The string could not be converted.
638 The request has timed out
639 No asynchronous net available
640 A NetBIOS error has occurred
641 The server cannot allocate NetBIOS resources needed to support the client
642 One of your NetBIOS names is already registered on the remote network
643 A network adapter at the server failed
644 You will not receive network message popups
645 Internal authentication error
646 The account is not permitted to log on at this time of day
647 The account is disabled
648 The password has expired
649 The account does not have Remote Access permission
650 The Remote Access server is not responding
651 Your modem (or other connecting device) has reported an error
652 Unrecognized response from the device
653 A macro required by the device was not found in the device .INF file section
654 A command or response in the device INF file section refers to an undefined macro
655 The <message> macro was not found in the device .INF file section
656 The <defaultoff> macro in the device .INF file section contains an undefined macro
657 The device .INF file could not be opened
658 The device name in the device .INF or media .INI file is too long
659 The media .INI file refers to an unknown device name
660 The device .INF file contains no responses for the command
661 The device .INF file is missing a command
662 Attempted to set a macro not listed in device .INF file section
663 The media .INI file refers to an unknown device type
664 Cannot allocate memory
665 The port is not configured for Remote Access
666 Your modem (or other connecting device) is not functioning
667 Cannot read the media .INI file
668 The connection dropped
669 The usage parameter in the media .INI file is invalid
670 Cannot read the section name from the media .INI file
671 Cannot read the device type from the media .INI file
672 Cannot read the device name from the media .INI file
673 Cannot read the usage from the media .INI file
674 Cannot read the maximum connection BPS rate from the media .INI file
675 Cannot read the maximum carrier BPS rate from the media .INI file
676 The line is busy
677 A person answered instead of a modem
678 There is no answer
679 Cannot detect carrier
680 There is no dial tone
681 General error reported by device
682 Error Writing Sectionname
683 Error Writing Devicetype
684 Error Writing Devicename
685 Error Writing MaxconnectBPS
686 Error Writing MaxcarrierBPS
687 Error Writing Usage
688 Error Writing Defaultoff
689 Error Reading Defaultoff
690 Error Empty INI File
691 Access denied because username and/or password is invalid on the domain.
692 Hardware failure in port or attached device
693 Error Not Binary Macro
694 Error DCB not found
695 Error State Machines not started
696 Error State Machines already started
697 Error Partial Response looping
698 A response keyname in the device .INF file is not in the expected format
699 The device response caused buffer overflow
700 The expanded command in the device .INF file is too long
701 The device moved to a BPS rate not supported by the COM driver
702 Device response received when none expected
703 Error Interactive mode
704 Error Bad callback number
705 Error Invalid Auth state
706 Error Writing INIBPS
707 X.25 diagnostic indication
708 The account has expired
709 Error changing password on domain
710 Serial overrun errors were detected while communicating with your modem
711 RasMan initialization failure. Check the event log
712 Biplex port is initializing. Wait a few seconds and redial
713 No active ISDN lines are available
714 Not enough ISDN channels are available to make the call
715 Too many errors occurred because of poor phone line quality
716 The Remote Access IP configuration is unusable
717 No IP addresses are available in the static pool of Remote Access IP addresses
718 PPP timeout
719 PPP terminated by remote machine
720 No PPP control protocols configured
721 Remote PPP peer is not responding
722 The PPP packet is invalid
723 The phone number, including prefix and suffix, is too long
724 The IPX protocol cannot dial-out on the port because the computer is an IPX router
725 The IPX protocol cannot dial-in on the port because the IPX router is not installed
726 The IPX protocol cannot be used for dial-out on more than one port at a time
727 Cannot access TCPCFG.DLL
728 Cannot find an IP adapter bound to Remote Access
729 SLIP cannot be used unless the IP protocol is installed
730 Computer registration is not complete
731 The protocol is not configured
732 The PPP negotiation is not converging
733 The PPP control protocol for this network protocol is not available on the server
734 The PPP link control protocol terminated
735 The requested address was rejected by the server
736 The remote computer terminated the control protocol
737 Loopback detected
738 The server did not assign an address
739 The remote server cannot use the Windows NT encrypted password
740 The TAPI devices configured for Remote Access failed to initialize or not installed correctly
741 The local computer does not support encryption
742 The remote server does not support encryption
743 The remote server requires encryption
744 Cannot use the IPX net number assigned by the remote server. Check the event log
745 An Essential file is missing
752 A syntax error was encountered while processing a script