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Network Diagnostics for Windows XP is available to help identify and fix network connection problems

Article ID: 914440 - View products that this article applies to.

INTRODUCTION

This article discusses the Network Diagnostics for Windows XP tool. This tool is available to help you identify and fix connection problems. These connection problems may occur with computers on a home network that connect to the Internet by using a cable modem or by using a digital subscriber line (DSL) modem.

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MORE INFORMATION

The Network Diagnostics for Windows XP tool can help troubleshoot some of the most common connection problems that you may encounter in a home networking environment.

To diagnose network connectivity status, the Network Diagnostics for Windows XP tool analyzes the following tests:

IP configuration test
Default gateway test
Winsock test
DNS test
Firewall test
Internet connectivity validation test

Typically, a support professional will work with you when you run the Network Diagnostics for Windows XP tool to help diagnose network connectivity status.

Most home networks use one of the following methods to access or share a single high-speed Internet connection:

A stand-alone router
A home gateway, such as a cable modem together with a router or a DSL modem together with router
A computer that is running Internet Connection Sharing or another form of Network Address Translation (NAT)

How to obtain the Network Diagnostics for Windows XP tool

The following file is available for download from the Microsoft Download Center:

Network Diagnostic Tool (KB914440):

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Download the WindowsXP-KB914440-v12-x86-ENU.exe package now.

(http://www.microsoft.com/downloads/details.aspx?FamilyId=EA541E8E-85A3-4D2F-A3A4-B329D03FC2FA)

How to run the Network Diagnostics for Windows XP tool

You can use the Network Diagnostics for Windows XP tool to test network connectivity and to determine whether your network-related programs and services are working correctly. To start the tool, use one of the following methods:

In Microsoft Internet Explorer, click Diagnose Connection Problems on the Tools menu.
Click Start, click Run, type %windir%\network diagnostic\xpnetdiag.exe, and then click OK.
Run Guided Help for Microsoft Knowledge Base article 326155. For more information about how to download Guided Help for Microsoft Knowledge Base article 956196, click the following article number to view the article in the Microsoft Knowledge Base:
956196
(http://support.microsoft.com/kb/956196/ )
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This tool has the file attributes (or later file attributes) 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 item in Control Panel.

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File name	File version	File size	Date	Time	Platform	SP requirement
Custsat.dll	9.0.2600.2921	33,792	03-Jun-2006	11:40	x86	SP2
Xpnetdg.exe	5.1.2600.3012	557,568	10-Oct-2006	12:44	x86	SP2
Xpnetdg.xsl	Not Applicable	1,692	14-Apr-2006	22:11	Not Applicable	SP2
Xpsp3res.dll	5.1.2600.3011	214,528	10-Oct-2006	06:12	x86	SP2