When you use an automatic configuration script to set up allowed sites for the Trusted sites zone in Microsoft Internet Explorer 6 or in Microsoft Internet Explorer 6 Service Pack 1, the automatic configuration script overwrites and replaces all user-added sites.

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To resolve this problem, obtain the appropriate service pack or hotfix that is described in this article. If you obtain the hotfix, after you apply it, you must also enable it by following the steps in the "Enable the hotfix" section.

Note In Internet Explorer 6 in Microsoft Windows XP Service Pack 2 (SP2), all user-added trusted sites are merged with the sites that are specified in an automatic configuration script. This hotfix provides the same functionality for Internet Explorer 6 and for Internet Explorer 6 Service Pack 1 (SP1) in Microsoft Windows XP, in Windows XP SP1, in Windows 2000, and in Windows NT 4.0.

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Windows XP

Service pack information

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

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

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
   ---------------------------------------------------------
   22-Jun-2004  09:42  6.0.2800.1449    31,744  Iecustom.dll     
   15-Sep-2004  16:06  16.0.2800.1473  299,008  Iedkcs32.dll     
   22-Jun-2004  05:08  5.5.31.0          7,168  Spmsg.dll
				

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Windows 2000

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

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
   ---------------------------------------------------------
   22-Jun-2004  09:42  6.0.2800.1449    31,744  Iecustom.dll     
   15-Sep-2004  16:06  16.0.2800.1473  299,008  Iedkcs32.dll     
   22-Jun-2004  05:08  5.5.31.0          7,168  Spmsg.dll
				

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Windows NT 4.0

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 phone 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.

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
   ---------------------------------------------------------
   15-Sep-2004  16:06  16.0.2800.1473  299,008  Iedkcs32.dll
				

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Enable the hotfix

Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

After you apply this hotfix, follow these steps to enable the functionality that is provided by this hotfix.

1.	Quit Internet Explorer.
2.	Click Start, click Run, type regedit, and then click OK.
3.	Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
4.	On the Edit menu, point to New, and then click Key.
5.	Type FEATURE_DO_NOT_DELETE_ZONES_INFO_DURING_BRAND_KB885838, and then press ENTER.
6.	With the new subkey you created in steps 4 and 5 selected, point to New on the Edit menu, and then click DWORD Value.
7.	Type an asterisk character (*), and then press ENTER. Note An asterisk indicates that you want all programs to use this hotfix. If you want to enable the feature only for Internet Explorer, type iexplore.exe instead of an asterisk.
8.	Right-click the asterisk character, and then click Modify.
9.	In the Value data box, type 1, and then click OK.
10.	Quit Registry Editor.

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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Windows XP

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

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