RAS Authentication Does Not Work Connecting to RRAS Server

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Article ID: 191854 - View products that this article applies to.
This article was previously published under Q191854
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SYMPTOMS

When you attempt to connect your Windows 2000-based computer by using Remote Access Server (RAS) to a Windows NT Server 4.0-based computer that uses Routing and Remote Access Service Update (RRAS), you may receive error messages.

The Windows 2000-based computer displays the following error message when it cannot establish a connection:
Retrying authentication...

Error 691: Access denied because username and/or password is invalid on the domain.

The Windows NT Server 4.0-based computer logs the following error messages in the system log:

Event ID: 20014
Source: Router
Type: Warning
Description: The user %Name% has connected and failed to authenticate on port %Name%. The line has been disconnected.
Event ID: 20049
Source: Router
Type: Warning
Description: The user connected to port %Name% has been disconnected due to an authentication timeout.

RESOLUTION

To resolve this issue, obtain the latest service pack for Windows NT version 4.0. For additional information, see the following article or articles in the Microsoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 4.

MORE INFORMATION

For additional information about the RRAS and PPTP upgrades, please see the following article(s) in the Microsoft Knowledge Base:
189594 RRAS Upgrade for WinNT Server 4.0 Hotfix Pack 3.0 Release Notes
189595 PPTP Performance & Security Upgrade for WinNT 4.0 Release Notes

Properties

Article ID: 191854 - Last Review: February 21, 2014 - Revision: 2.1
APPLIES TO
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Routing and Remote Access Service Update for Windows NT Server 4.0
  • Microsoft Windows NT Server 4.0 Standard Edition
Keywords: 
kbnosurvey kbarchive kbbug kbenv kberrmsg kbfix KB191854

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