Microsoft KB Archive/330338

= Additional Prompts for a Client Certificate with Internet Explorer 6 Service Pack 1 =

Article ID: 330338

Article Last Modified on 11/15/2007

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APPLIES TO

 Microsoft Internet Explorer 6.0 Service Pack 1, when used with:  Microsoft Windows XP Professional

 Microsoft Windows 2000 Standard Edition

 Microsoft Windows NT 4.0

 Microsoft Windows Millennium Edition</li></ul>

 Microsoft Windows 98 Second Edition</li></ul> </li></ul>

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This article was previously published under Q330338

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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

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SYMPTOMS
When you are using Internet Explorer 6 Service Pack 1 (SP1), you may be prompted multiple times to select a client certificate. This issue typically occurs when you open an unsecured document (with an HTTP address) that hosts one or more IFRAMEs, with each IFRAME pointing to a secured document (with an HTTPS address). This issue does not occur with Internet Explorer 6 or Internet Explorer 5.5.

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CAUSE
You receive multiple prompts because the certificate is not put in the Secure Sockets Layer (SSL) cache after you select the certificate.

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RESOLUTION
A supported hotfix is now 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 service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

The English version of this fix has the file attributes (or later) 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. <pre class="fixed_text">  Date         Time   Version        Size     File name ---  19-Dec-2002  12:16  6.0.2800.1149  585,728  Wininet.dll

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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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MORE INFORMATION
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.

This problem is a side-effect of a security fix in Internet Explorer 6 SP1. The hotfix that is described in this article installs a new registry key to disable the code that is added by the security fix:

For security reasons, Microsoft recommends that you implement a server-side solution instead of using this hotfix. To use a server-side solution, avoid hosting HTTPS frames in pages that are accessed from an HTTP address.

Keywords: kbhotfixserver kbqfe kbqfe kbbug kbfix kbie600presp2fix kbie600sp2fix kbie600sp1fix KB330338

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