Windows XP Modem Errors

Error messages

You may receive one or more of the following errors when you use Network Connections. To see more information about an error, click the error message below.

600 An operation is pending

601 An invalid port handle was detected

602 The specified port is already open

603 The caller’s buffer is too small

604 Incorrect information was specified

605 The port information cannot be set

606 The specified port is not connected

607 An invalid event is detected

608 A device was specified that does not exist

609 The device type was specified that does not exist

610 An invalid buffer was specified

611 A route was specified that is not available

612 A route was specified that is not allocated

613 An invalid compression was specified

614 There were insufficient buffers available

615 The specified port was not found

616 An asynchronous request is pending

617 The modem is already disconnecting

618 The specified port is not open

619 The specified port is not connected

620 No endpoints could be determined

621 The system could not open the phonebook

622 The system could not load the phonebook

623 The system could not find the phonebook entry for this connection

624 The system could not update the phonebook file

625 The system found invalid information in the phonebook

626 A string could not be loaded

627 A key could not be found

628 The connection was closed

629 The connection was closed by the remote computer

630 The modem was disconnected due to hardware failure

631 The user disconnected the modem

632 An incorrect structure size was detected

633 The modem is already in use or is not configured for dialing out

634 Your computer could not be registered on the remote network

635 There was an unknown error

636 The device attached to the port is not the one expected

637 A string was detected that could not be converted

638 The request has timed out

639 No asynchronous net is available

640 A error has occurred involving NetBIOS

641 The server cannot allocate NetBIOS resources needed to support the client

642 One of your computer’s 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 There was an 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 for this account has expired

649 The account does not have permission to dial in

650 The remote access server is not responding

651 The modem has reported an error

652 There was an unrecognized response from the modem

653 A macro required by the modem 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 macro was not found in the device .INF file section

656 The 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 There was an attempt to set a macro not listed in the device .INF file section

663 The media .INI file refers to an unknown device type

664 The system has run out of memory

665 The modem is not properly configured

666 The modem is not functioning

667 The system was unable to read the media .INI file

668 The connection was terminated

669 The usage parameter in the media .INI file is invalid

670 The system was unable to read the section name from the media .INI file

671 The system was unable to read the device type from the media .INI file

672 The system was unable to read the device name from the media .INI file

673 The system was unable to read the usage from the media .INI file

674 The system was unable to read the maximum connection BPS rate from the media .INI file

675 The system was unable to read the maximum carrier connection speed from the media .INI file

676 The phone line is busy

677 A person answered instead of a modem

678 There was no answer

679 The system could not detect the carrier

680 There was no dial tone

681 The modem reported a general error

691 Access was denied because the user name and/or password was invalid on the domain

692 There was a hardware failure in the modem

695 The state machines are not started

696 The state machines are already started

697 The response looping did not complete

699 The modem response caused a buffer overflow

700 The expanded command in the device .INF file is too long

701 The modem moved to a connection speed not supported by the COM driver

703 The connection needs information from you, but the application does not allow user interaction

704 The callback number is invalid

705 The authorization state is invalid

707 There was an error related to the X.25 protocol

708 The account has expired

709 There was an error changing the password on the domain. The password might have been too short or might have matched a previously used password

710 Serial overrun errors were detected while communicating with the modem

711 The Remote Access Service Manager could not start. Additional information is provided in the event log

712 The two-way port is initializing. Wait a few seconds and redial

713 No active ISDN lines are available

714 No ISDN channels are available to make the call

715 Too many errors occurred because of poor phone line quality

716 The remote access service IP configuration is unusable

717 No IP addresses are available in the static pool of remote access service IP addresses

718 The connection timed out waiting for a valid response from the remote computer

719 The connection was terminated by the remote computer

720 The connection attempt failed because your computer and the remote computer could not agree on PPP control protocols

721 The remote computer is not responding

722 Invalid data was received from the remote computer. This data was ignored

723 The phone number, including prefix and suffix, is too long

726 The IPX protocol cannot be used for dial-out on more than one modem at a time

728 The system cannot find an IP adapter

729 SLIP cannot be used unless the IP protocol is installed

731 The protocol is not configured

732 Your computer and the remote computer could not agree on PPP control protocols

733 Your computer and the remote computer could not agree on PPP control protocols

734 The PPP link control protocol was 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 authentication protocol required by the remote server cannot use the stored password. Redial, entering the password explicitly

740 An invalid dialing rule was detected

741 The local computer does not support the required data encryption type

742 The remote computer does not support the required data encryption type

743 The remote server requires data encryption

751 The callback number contains an invalid character. Only the following characters are allowed: 0 to 9, T, P, W, (,), -, @, and space

752 A syntax error was encountered while processing a script

753 The connection could not be disconnected because it was created by the multi-protocol router

754 The system could not find the multi-link bundle

755 The system cannot perform automated dial because this entry has a custom dialer specified

756 This connection is already being dialed

757 Remote access services could not be started automatically. Additional information is provided in the event log

758 Internet Connection Sharing is already enabled on the connection

760 An error occurred while routing capabilities were being enabled

761 An error occurred while Internet Connection Sharing was being enabled for the connection

763 Internet Connection Sharing cannot be enabled. There are two or more LAN connections in addition to the connection to be shared

764 No smart card reader is installed

765 Internet Connection Sharing cannot be enabled. A LAN connection is already configured with the IP address required for automatic IP addressing

766 The system could not find any certificate

767 Internet Connection Sharing cannot be enabled. The LAN connection selected on the private network has more than one IP address configured. Reconfigure the LAN connection with a single IP address before enabling Internet Connection Sharing

768 The connection attempt failed because of failure to encrypt data

769 The specified destination is not reachable

770 The remote machine rejected the connection attempt

771 The connection attempt failed because the network is busy

772 The remote computer’s network hardware is incompatible with the type of call requested

773 The connection attempt failed because the destination number has changed

774 The connection attempt failed because of a temporary failure. Try connecting again

775 The call was blocked by the remote computer

776 The call could not be connected because the destination has invoked the Do Not Disturb feature

777 The connection attempt failed because the modem on the remote computer is out of order

778 It was not possible to verify the identity of the server

779 To dial out using this connection, you must use a smart card

780 An attempted function is not valid for this connection

781 The encryption attempt failed because no valid certificate was found

782 Network Address Translation (NAT) is currently installed as a routing protocol, and must be removed before enabling Internet Connection Sharing

783 Internet Connection Sharing cannot be enabled. The LAN connection selected as the private network is either not present, or is disconnected from the network. Please ensure that the LAN adapter is connected before enabling Internet Connection Sharing

784 You cannot dial using this connection at logon time, because it is configured to use a user name different than the one on the smart card. If you want to use it at logon time, you must configure it to use the user name on the smart card

785 You cannot dial using this connection at logon time, because it is not configured to use a smart card. If you want to use it at logon time, you must edit the properties of this connection so that it uses a smart card

786 The L2TP connection attempt failed because there is no valid machine certificate on your computer for security authentication

787 The L2TP connection attempt failed because the security layer could not authenticate the remote computer

788 The L2TP connection attempt failed because the security layer could not negotiate compatible parameters with the remote computer

789 The L2TP connection attempt failed because the security layer encountered a processing error during initial negotiations with the remote computer

790 The L2TP connection attempt failed because certificate validation on the remote computer failed

791 The L2TP connection attempt failed because security policy for the connection was not found

792 The L2TP connection attempt failed because security negotiation timed out

793 The L2TP connection attempt failed because an error occurred while negotiating security

794 The Framed Protocol RADIUS attribute for this user is not PPP

795 The Tunnel Type RADIUS attribute for this user is not correct

796 The Service Type RADIUS attribute for this user is neither Framed nor Callback Framed

797 A connection to the remote computer could not be established because the modem was not found or was busy

798 A certificate could not be found that can be used with this Extensible Authentication Protocol

799 Internet Connection Sharing (ICS) cannot be enabled due to an IP address conflict on the network. ICS requires the host be configured to use 192.168.0.1. Please ensure that no other client on the network is configured to use 192.168.0.1

800 Unable to establish the VPN connection. The VPN server may be un-reachable, or security parameters may not be configured properly for this connection