A Windows XP-based computer stores the IP address of the proxy server instead of the FQDN when you configure Internet Explorer 6 to use the Automatic Proxy Discovery feature (903926)

RESOLUTION

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 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: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

There are no prerequisites.

Restart requirement

You do not have to restart the 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 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.

File name	File version	File size	Date	Time	Platform	SP requirement
Wininet.dll	6.0.2800.1532	586,752	31-Jan-2006	07:13	x86	SP1
Wininet.dll	6.0.2900.2838	662,528	01-Feb-2006	06:11	x86	SP2

Installation instructions

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

After you install this hotfix, you must enable it. To do this, follow these steps:

1. Click Start, click Run, type regedit, and then click OK.
2. To enable this hotfix for a user, locate the following registry subkey:

   HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl

   To enable this hotfix for a computer, locate the following registry subkey:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl

3. Click the registry key that you located in step 2.
4. On the Edit menu, point to New, and then click Key.
5. Type FEATURE_WPAD_STORE_URL_AS_FQDN_KB903926, and then press ENTER.
6. Click FEATURE_WPAD_STORE_URL_AS_FQDN_KB903926.
7. On the Edit menu, point to New, and then click DWORD value.
8. Type Iexplore.exe, and then press ENTER.
9. Click Iexplore.exe.
10. On the Edit menu, click Modify.
11. In the Value data box, type 1, and then click OK.
12. On the Edit menu, point to New, and then click DWORD value.
13. Type Explorer.exe, and then press ENTER.
14. Click Explorer.exe.
15. On the Edit menu, click Modify.
16. In the Value data box, type 1, and then click OK.
    
    Note The valid values for the subkey are 0 and 1. A value of 1 enables the hotfix. A value of 0 disables the hotfix.
17. Exit Registry Editor.
18. If you updated the HKEY_LOCAL_MACHINE registry hive, restart the computer. If you updated the HKEY_CURRENT_USER registry hive, log off the computer, and then log on again to see the behavior changes.