The Proxycfg.exe configuration tool is available for WinHTTP 5.1 (830605)

SYMPTOMS

Microsoft Windows HTTP Services (WinHTTP) version 5.1 was included in the following service packs:

Microsoft Windows 2000 Service Pack (SP) 3
Microsoft Windows 2000 SP4
Microsoft Windows XP SP1
Microsoft Windows Server 2003

However, the WinHTTP proxy configuration tool, Proxycfg.exe, was not included in these service packs.

Earlier versions of Proxycfg.exe do not work with WinHTTP 5.1.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For more 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 this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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.

File information

The English version of this hotfix 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 tool in Control Panel.

   Date         Time   Version     Size    File name
   ----------------------------------------------------
   07-Jan-2004  20:49  5.1.2486.0  23,040  Proxycfg.exe

MORE INFORMATION

WinHTTP 5.1 is a new version of WinHTTP that is now included in the following versions of Microsoft Windows:

Microsoft Windows 2000 Service Pack 3 and later versions, except the Datacenter Server version
Microsoft Windows XP Service Pack 1 and later versions
The Microsoft Windows Server 2003 operating systems

For additional information about WinHTTP and related tools, visit the following Microsoft Developer Network Web sites:

About WinHTTP
http://msdn.microsoft.com/library/en-us/winhttp/http/about_winhttp.asp

What's new in WinHTTP 5.1
http://msdn.microsoft.com/library/en-us/winhttp/http/what_s_new_in_winhttp_5_1.asp

Using WinHTTP tools
http://msdn.microsoft.com/library/en-us/winhttp/http/using_winhttp_tools.asp