| Error # | Solution 
Provided | Error Message | 
| 0 | Yes | Connection successful! | 
| 2 | Yes | The system cannot find the 
file specified. | 
| 5 | Yes | Access Denied. | 
| 6 | Yes | Stack overflow. | 
| 20 | Yes | The system cannot find the 
device specified. | 
| 71 | Yes | No more connections 
allowed. | 
| 380 | Yes | Invalid Property 
Value. | 
| 600 | Yes | An operation is 
pending. | 
| 601 | Yes | The 
port handle is 
invalid. | 
| 602 | Yes | The 
port is already open. | 
| 603 | Yes | Caller's buffer is too 
small. | 
| 604 | Yes | Wrong information 
specified. | 
| 605 | Yes | Cannot set port 
information. | 
| 606 | Yes | The port is not 
connected. | 
| 607 | Yes | The event is 
invalid. | 
| 608 | Yes | The device does not 
exist. | 
| 609 | Yes | The device type does 
not exist. | 
| 610 | Yes | The buffer is 
invalid. | 
| 611 | Yes | The route is not 
available. | 
| 612 | Yes | The route is not
allocated. | 
| 613 | Yes | Invalid compression specified. | 
| 614 | Yes | Out of Buffers When Using RAS Script. | 
| 615 | Yes | The port was not
found. | 
| 616 | Yes | An asynchronous request is
pending. | 
| 617 | Yes | The port or device is
already disconnecting. | 
| 618 | Yes | The port is not 
open. | 
| 619 | Yes | The port is 
disconnected. | 
| 620 | Yes | There are no 
endpoints. | 
| 621 | Yes | Cannot open the phone book 
file. | 
| 622 | Yes | Cannot load the phone book file. | 
| 623 | Yes | Cannot find the phone book entry. | 
| 624 | Yes | Cannot write the phone book 
file. | 
| 625 | Yes | Invalid information found in 
the phone book. | 
| 626 | Yes | Cannot load a string. | 
| 627 | Yes | Cannot find key. | 
| 628 | Yes | The port was disconnected. | 
| 629 | Yes | The port was disconnected by the remote machine. | 
| 630 | Yes | The 
port was disconnected due to hardware failure. | 
| 631 | Yes | The port was disconnected by the user. | 
| 632 | Yes | The structure size is incorrect. | 
| 633 | Yes< | The 
port is already in use or is not configured for Remote Access dialout. | 
| 634 | Yes | Cannot register your computer on 
the remote network. | 
| 635 | Yes | Unknown error. | 
| 636 | Yes | The 
wrong device is attached to the port. | 
| 637 | Yes | The 
string could not be converted. | 
| 638 | Yes | The request has timed out. | 
| 639 | Yes | No asynchronous net available. | 
| 640 | Yes | A 
NetBIOS error has occurred. | 
| 641 | Yes | The 
server cannot allocate NetBIOS resources needed to support the client. | 
| 642 | Yes | One 
of your NetBIOS names is already registered on the remote network. | 
| 643 | Yes | A 
network adapter at the server failed. | 
| 644 | Yes | You 
will not receive network message popups. | 
| 645 | Yes | Internal authentication 
error. | 
| 646 | Yes | The 
account is not permitted to log on at this time of day. | 
| 647 | Yes | The 
account is disabled. | 
| 648 | Yes | The 
password has expired. | 
| 649 | Yes | The 
account does not have Remote Access permission. | 
| 650 | Yes | The 
Remote Access server is not responding. | 
| 651 | Yes | Your 
modem (or other connecting device) has reported an error. | 
| 656 | Yes | The 
<defaultoff> macro in the device .INF file section contains an undefined macro | 
| 657 | Yes | The 
device .INF file could not be opened. | 
| 659 | Yes | The 
media .INI file refers to an unknown device name. | 
| 661 | Yes | The 
device .INF file is missing a command. | 
| 664 | Yes | Cannot allocate memory. | 
| 665 | Yes | The 
port is not configured for Remote Access. | 
| 666 | >Yes | Your 
modem (or other connecting device) is not functioning. | 
| 667 | Yes | Cannot read 
the media .INI 
file. | 
| 668 | Yes | The 
connection dropped. | 
| 676 | Yes | The 
line is busy. | 
| 677 | Yes | A 
person answered instead of a modem. | 
| 678 | Yes | There 
is no answer. | 
| 679 | Yes | Cannot detect carrier. | 
| 680 | Yes | There 
is no dial tone. | 
| 688 | >Yes | ERROR WRITING DEFAULTOFF | 
| 689 | >Yes | ERROR READING DEFAULTOFF | 
| 690 | >Yes | ERROR EMPTY INI FILE | 
| 691 | Yes | >Access denied because username and/or password is 
invalid on the 
domain. | 
| 692 | Yes | Hardware failure in 
port or attached device. | 
| 693 | Yes | ERROR 
NOT BINARY MACRO | 
| 694 | --- | ERROR DCB NOT 
FOUND | 
| 695 | Yes | ERROR 
STATE MACHINES NOT STARTED | 
| 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 | Yes | No active ISDN lines are available. | 
| 713 | Yes | VB:Run-Time Error 713 Opening Data Report in Distributed Application | 
| 714 | Yes | 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 | Yes | 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. | 
| 746 | --- | An essential file failed to 
initialize. | 
| 747 | --- | MAC not found. | 
| 748 | --- | The system timed out while trying 
to load an essential file. | 
| 749 | --- | Invalid phone number. | 
| 750 | --- | Invalid authentication 
attempt. | 
| 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 | Yes | Error setting up VPN connection client - (The 
system could not find any certificate.) | 
| 767 | Yes | 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 | Yes | The 
connection attempt failed because of failure to encrypt data. | 
| 769 | Yes | The 
specified destination is not reachable. | 
| 770 | Yes | The 
remote machine rejected the connection attempt. | 
| 771 | Yes | The 
connection attempt failed because the network is busy. | 
| 772 | Yes | The 
remote computer's network hardware is incompatible with the type of call requested. | 
| 773 | Yes | The connection attempt failed because the destination number has changed. | 
| 774 | Yes | The 
connection attempt failed because of a temporary failure. Try connecting again. | 
| 774 | Yes | Windows Media Center fails to record. | 
| 775 | Yes | The call was blocked by the remote computer. | 
| 776 | Yes | The 
call could not be connected because the destination has invoked the Do Not Disturb feature. | 
| 777 | Yes | The 
connection attempt failed because the modem on the remote computer is out of order. | 
| 778 | Yes | It was not possible to verify the identity of the server. | 
| 779 | Yes | To 
dial out using this connection, you must use a smart card  OR  Windows Update (Business Contact Manager for 
Outlook 2007). | 
| 780 | Yes | An 
attempted function is not valid for this connection. | 
| 780 | Yes | Vista Windows Update Error 780 | 
| 781 | Yes | The 
encryption attempt failed because no valid certificate was found. | 
| 782 | Yes | Network Address Translation (NAT) 
is currently installed as a routing protocol, and must be removed before enabling Internet Connection Sharing | 
| 783 | Yes | 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 | Yes | A connection to the remote computer 
could not be established because the modem was not found or was busy | 
| 798 | Yes | A certificate could not be found 
that can be used with this Extensible Authentication Protocol | 
| >799 | Yes | 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 | Yes | Unable to establish the VPN 
connection. The VPN server may be un-reachable, or security parameters may not be configured properly for this 
connection | 
| 995 | --- | Operation aborted. | 
| 1382 | --- | Maximum length exceeded. | 
| 1793 | --- | Account expired. | 
| 2250 | --- | Network connection does not 
exist. |