The Site to Zone Assignment List policy prevents Internet Explorer from using other zone configuration settings when the Internet Explorer Enhanced Security Configuration feature is enabled on a Windows Server 2003 SP1-based computer (918915)


The information in this article applies to:

  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003 SP1, when used with:
    • Microsoft Windows Server 2003, Datacenter Edition for Itanium-based Systems
    • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
    • Microsoft Windows Server 2003, Datacenter Edition
    • Microsoft Windows Server 2003, Enterprise Edition
    • Microsoft Windows Server 2003, Standard 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

SYMPTOMS

On a Microsoft Windows Server 2003 Service Pack 1 (SP1)-based computer, the Microsoft Internet Explorer zone configuration settings do not work as expected. This occurs when the following conditions are true:
  • The Internet Explorer Enhanced Security Configuration feature is enabled.
  • The Site to Zone Assignment List policy is configured.

Under these conditions, the Site to Zone Assignment List policy prevents Internet Explorer from using zone settings that are configured through Internet Explorer Maintenance or through the Security tab in Internet Options.

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 Server 2003 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:

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.

Prerequisites

No prerequisites are required.

Restart requirement

You must 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 item in Control Panel.
Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Urlmon.dll6.0.3790.2699696,32010-May-200607:58x86
Windows Server 2003, Itanium-based versions
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Urlmon.dll6.0.3790.26991,615,36010-May-200605:37IA-64SP1SP1QFE
Wurlmon.dll6.0.3790.2699696,32010-May-200605:37x86SP1WOW
Windows Server 2003, x64-based versions
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Urlmon.dll6.0.3790.26991,083,90410-May-200609:07x64SP1SP1QFE
Wurlmon.dll6.0.3790.2699696,32010-May-200609:07x86SP1WOW

Registry settings information

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 the hotfix, you have to modify registry settings to enable the hotfix. You can modify the registry settings for a specific user or for all the users.Registry settings for a specific userYou can use one of the following methods to enable the hotfix for a specific user.

Method 1

Follow these steps, and then quit Registry Editor:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following key in the registry:

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

  3. On the Edit menu, point to New, and then click Key.
  4. Type FEATURE_IGNORE_POLICIES_ZONEMAP_IF_ESC_ENABLED_KB918915, and then press ENTER.
  5. On the Edit menu, point to New, and then click String Value.
  6. Type *, and then press ENTER.
  7. On the Edit menu, click Modify.
  8. Type 1, and then click OK.
Method 2
Follow these steps, and then quit Registry Editor:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following key in the registry:

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

  3. On the Edit menu, point to New, and then click Key.
  4. Type FEATURE_IGNORE_POLICIES_ZONEMAP_IF_ESC_ENABLED_KB918915, and then press ENTER.
  5. On the Edit menu, point to New, and then click DWORD Value.
  6. Type *, and then press ENTER.
  7. On the Edit menu, click Modify.
  8. Type 1, and then click OK.
Registry settings for all usersYou can use one of the following methods to enable the hotfix for all users.

Method 1

Follow these steps, and then quit Registry Editor:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following key in the registry:

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

  3. On the Edit menu, point to New, and then click Key.
  4. Type FEATURE_IGNORE_POLICIES_ZONEMAP_IF_ESC_ENABLED_KB918915, and then press ENTER.
  5. On the Edit menu, point to New, and then click String Value.
  6. Type *, and then press ENTER.
  7. On the Edit menu, click Modify.
  8. Type 1, and then click OK.
Method 2
Follow these steps, and then quit Registry Editor:
  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click the following key in the registry:

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

  3. On the Edit menu, point to New, and then click Key.
  4. Type FEATURE_IGNORE_POLICIES_ZONEMAP_IF_ESC_ENABLED_KB918915, and then press ENTER.
  5. On the Edit menu, point to New, and then click DWORD Value.
  6. Type *, and then press ENTER.
  7. On the Edit menu, click Modify.
  8. Type 1, and then click OK.

STATUS

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

MORE INFORMATION

Typically, when Internet Explorer uses the Enhanced Security Configuration feature on a Windows Server 2003 Service Pack 1 (SP1)-based computer, Internet Explorer is designed to ignore the zone settings that are configured through the Site to Zone Assignment List policy. Internet Explorer must only use the zone settings that are configured through Internet Explorer Maintenance or through the Security tab in Internet Options. For more information, visit the following Microsoft Web site:

http://technet2.microsoft.com/WindowsServer/en/Library/c07587ec-4a60-4bca-8508-29a4296b72121033.mspx

For more information about security zones in Internet Explorer 6, click the following article number to view the article in the Microsoft Knowledge Base:

174360 How to use security zones in Internet Explorer

For more information about the standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Technical support for x64-based versions of Microsoft Windows

Your hardware manufacturer provides technical support and assistance for x64-based versions of Windows. Your hardware manufacturer provides support because an x64-based version of Windows was included with your hardware. Your hardware manufacturer might have customized the installation of Windows with unique components. Unique components might include specific device drivers or might include optional settings to maximize the performance of the hardware. Microsoft will provide reasonable-effort assistance if you need technical help with your x64-based version of Windows. However, you might have to contact your manufacturer directly. Your manufacturer is best qualified to support the software that your manufacturer installed on the hardware.

For product information about Microsoft Windows XP Professional x64 Edition, visit the following Microsoft Web site:

http://www.microsoft.com/windowsxp/64bit/default.mspx

For product information about x64-based versions of Microsoft Windows Server 2003, visit the following Microsoft Web site:

http://www.microsoft.com/windowsserver2003/64bit/x64/default.mspx

Modification Type:MinorLast Reviewed:8/28/2006
Keywords:kbBug kbfix kbQFE kbhotfixserver kbpubtypekc KB918915 kbAudITPRO
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