You receive the "Error 651" error message when you try to establish a VPN connection in Windows 2000

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Article ID: 818455
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Symptoms

When you establish a dial-up connection to the server by using Integrated Services Digital Network (ISDN), and then you try to establish a virtual private network (VPN) connection, you may receive the following error message:
Error 651: Your modem (or other connecting device) has reported an error.

Cause

This problem occurs because the Layer 2 Tunneling Protocol (L2TP) tries to create a host route and then detects that the route to the host that was created by the dial-up connection already exists.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   14-Apr-2003  21:52  5.0.2195.6736      49,872  Rasl2tp.sys

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

For additional information about how hotfix packages are named and about other terms for software updates, click the following article numbers to view the articles in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 818455 - Last Review: June 20, 2014 - Revision: 3.0
Keywords: 
kbautohotfix kbhotfixserver kbqfe kberrmsg kbbug kbfix kbwin2000presp5fix KB818455

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