Network Diagnostics for Windows XP is available to help identify and fix network connection problems (914440)


The information in this article applies to:

  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry

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.

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): DownloadDownload the WindowsXP-KB914440-v10-x86-ENU.exe package now.

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 326155, click the following article number to view the article in the Microsoft Knowledge Base:

    326155 Error message when you try to access a Web site in Internet Explorer: "Page Cannot Be Displayed"

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.
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Custsat.dll9.0.2600.292133,79203-Jun-200611:40x86SP2SP2QFE
Xpnetdg.exe5.1.2600.2921557,56802-Jun-200613:12x86SP2SP2QFE
Xpnetdg.xslNot applicable1,69214-Apr-200622:11Not applicableSP2SP2QFE
Modification Type:MinorLast Reviewed:7/25/2006
Keywords:ATdownload kbExpertiseBeginner KB914440 kbAudEndUser
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