Microsoft KB Archive/830471

= You experience intermittent connectivity when you connect to a network from a computer that is running Windows XP or Windows Server 2003 =

Article ID: 830471

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Windows XP Professional
 * Microsoft Windows Server 2003, Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)

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SYMPTOMS
You experience intermittent connectivity when you try to connect to a network from a computer that is running Microsoft Windows XP or Microsoft Windows Server 2003. If the computer connects to the network, you may receive the following error message:

The Windows Time Service was not able to find a Domain Controller. A time and date update was not possible.



CAUSE
This problem occurs because Transport Control Protocol/Internet Protocol (TCP/IP) Internet Protocol security (IPSec) frames that pass through NAT-T are not correctly acknowledged by TCP/IP.

This problem has been reported to occur on computers that have one of the following network adapters:
 * Intel Pro/100VE and Intel Pro Wireless LAN 2100 3B Mini
 * Intel Pro/100VE and ORiNOCO Wireless PCI
 * SiS 9000 PCI
 * RealTek 8139



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

322389 How to obtain the latest Windows XP 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 Server 2003 or Windows XP 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
Applying this hotfix may stop and restart network services.

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.

Windows Server 2003 IA-64
  Date         Time   Version            Size    File name --  16-Oct-2003  14:24  5.2.3790.93       970,240  Tcpip.sys 16-Oct-2003 15:12  5.2.3790.83        29,696  Wmspatcha.dll 26-Sep-2003 18:18                        271  Branches.inf 16-Oct-2003 19:23                      9,981  Kb830471.cat 16-Oct-2003 15:15                        354  Updatebr.inf 16-Oct-2003 15:16                      5,352  Update_rtmqfe.inf

Windows Server 2003 x86
  Date         Time   Version            Size    File name --  16-Oct-2003  17:25  5.2.3790.93       333,824  Tcpip.sys 26-Sep-2003 21:19                        271  Branches.inf 16-Oct-2003 22:23                      9,628  Kb830471.cat 16-Oct-2003 18:13                        354  Updatebr.inf 16-Oct-2003 18:14                      5,077  Update_rtmqfe.inf

Windows XP IA-64
  Date         Time   Version            Size    File name --  15-Oct-2003  19:48  5.1.2600.1310   1,106,432  Tcpip.sys

Windows XP x86
  Date         Time   Version            Size    File name --  16-Oct-2003  00:39  5.1.2600.1310     337,920  Tcpip.sys



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Windows XP This problem was first corrected in Microsoft Windows XP Service Pack 2.



MORE INFORMATION
For additional information about standard terminology used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products. For information about how to contact the network manufacturers that are listed in this article, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and Software Third-Party Vendor Contact List, A-K

60781 Hardware and Software Third-Party Vendor Contact List, L-P

60782 Hardware and Software Third-Party Vendor Contact List, Q-Z

Keywords: kbhotfixserver kbqfe kbwinxpsp2fix kbclientserver kbclientprotocols kberrmsg kbnetwork kbwinxppresp2fix kbwinserv2003presp1fix kbpolicy kbinterop kbqfe kbfix kbbug KB830471

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