Certificate Selection Prompt Appears Only for the First Internet Explorer Window That Opens

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Article ID: 296743 - View products that this article applies to.
This article was previously published under Q296743
This article has been archived. It is offered "as is" and will no longer be updated.
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 set the Require Client Certificates option in Internet Information Server (IIS) version 5.0, to prompt users for a certificate selection each time they try to open a restricted folder from different Internet Explorer windows, the requirement seems to affect only the first client window that opens.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack

STATUS

Microsoft has confirmed that this is a problem in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 2.

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.

To manually change the default so that the system prompts the user for a certificate selection for each window, change the MultipleProcessClientCache registry value:
  1. Start Registry Editor (Regedt32.exe).
  2. Locate the MultipleProcessClientCache value under the following key in the registry:
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\Schannel
    If there is no MultipleProcessClientCache value, go to the Edit menu and create the value.

  3. On the Edit menu, click DWORD, type 00000001, and then click OK.
  4. Quit Registry Editor.

Properties

Article ID: 296743 - Last Review: October 23, 2013 - Revision: 4.3
APPLIES TO
  • Microsoft Windows 2000 Service Pack 1
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Service Pack 1
  • Microsoft Internet Information Services 5.0
Keywords: 
kbnosurvey kbarchive kbbug kbfix kbpolicy KB296743

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