Microsoft KB Archive/311808

= PPTP clients will not work when a new server is added to the NLB cluster of Windows 2000 Advanced Server =

Article ID: 311808

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q311808





SYMPTOMS
When you try to add a new server to a Network Load Balancing (NLB) cluster that is providing Point-to-Point Tunneling (PPTP) services, PPTP clients may experience a temporary disruption of service.



CAUSE
This problem may occur when the Generic Route Encapsulation (GRE) traffic no longer works in the NLB cluster.



Service pack information
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to obtain the latest Windows 2000 service pack

Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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 03-Dec-2001 19:28  5.0.2195.4713  65,648  Wlbs.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section. This problem was first corrected in Windows 2000 Service Pack 3 (SP3).

Keywords: kbhotfixserver kbqfe kbclustering kbnetwork kbprb kbqfe kbwin2000sp3fix KB311808

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