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Dial-Up Networking Errors (Updated 26-Jul-03)
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 INITBPS
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 were 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. Re-install Dial-Up Networking
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 (or other connecting device) 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 - The modem could not be found.
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.
801 This connection is configured to validate the identity of the access server, but Windows cannot verify the digital certificate sent by the server.Note: Errors #753 and higher are applicable only to Windows 2000 & higher.
900 The router is not running.
901 The interface is already connected.
902 The specified protocol identifier is not known to the router.
903 The Demand-dial Interface Manager is not running.
904 An interface with this name is already registered with the router.
905 An interface with this name is not registered with the router.
906 The interface is not connected.
907 The specified protocol is stopping.
908 The interface is connected and hence cannot be deleted.
909 The interface credentials have not been set.
910 This interface is already in the process of connecting.
911 An update of routing information on this interface is already in progress.
912 The interface configuration in invalid. There is already another interface that is connected to the same interface on the remote router.
913 A Remote Access Client attempted to connect over a port that was reserved for Routers only.
914 A Demand Dial Router attempted to connect over a port that was reserved for Remote Access Clients only.
915 The client interface with this name already exists and is currently connected.
916 The interface is in a disabled state.
917 The authentication protocol was rejected by the remote peer.
918 There are no authentication protocols available for use.
919 The remote computer refused to be authenticated using the configured authentication protocol. The line has been disconnected.
920 The remote account does not have Remote Access permission.
921 The remote account has expired.
922 The remote account is disabled.
923 The remote account is not permitted to logon at this time of day.
924 Access was denied to the remote peer because username and/or password is invalid on the domain.
925 There are no routing enabled ports available for use by this demand dial interface.
926 The port has been disconnected due to inactivity.
927 The interface is not reachable at this time.
928 The Demand Dial service is in a paused state.
929 The interface has been disconnected by the administrator.
930 The authentication server did not respond to authentication requests in a timely fashion.
931 The maximum number of ports allowed for use in the multilinked connection has been reached.
932 The connection time limit for the user has been reached.
933 The maximum limit on the number of LAN interfaces supported has been reached.
934 The maximum limit on the number of Demand Dial interfaces supported has been reached.
935 The maximum limit on the number of Remote Access clients supported has been reached.
936 The port has been disconnected due to the BAP policy.
937 Because another connection of your type is in use, the incoming connection cannot accept your connection request.
938 No RADIUS servers were located on the network.
939 An invalid response was received from the RADIUS authentication server. Make sure that the case sensitive secret password for the RADIUS server is set correctly.
940 You do not have permission to connect at this time.
941 You do not have permission to connect using the current device type.
942 You do not have permission to connect using the selected authentication protocol.
943 BAP is required for this user.
944 The interface is not allowed to connect at this time.
945 The saved router configuration is incompatible with the current router.
946 RemoteAccess has detected older format user accounts that will not be migrated automatically. To migrate these manually, run XXXX.
948 The transport is already installed with the router.
949 Received invalid signature length in packet from RADIUS server.
950 Received invalid signature in packet from RADIUS server.
951 Did not receive signature along with EAPMessage from RADIUS server.
952 Received packet with invalid length or Id from RADIUS server.
953 Received packet with attribute with invalid length from RADIUS server.
954 Received invalid packet from RADIUS server.
955 Authenticator does not match in packet from RADIUS server.
Also see: Microsoft's Windows98 Communications Error Messages.