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