Microsoft KB Archive/195648

= Cannot Install More Than 16 Personal Certificates in Internet Explorer 4 =

PSS ID Number: 195648

Article Last Modified on 12/5/2003

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The information in this article applies to:


 * Microsoft Internet Explorer 4.01 for Windows NT 4.0 SP 1
 * Microsoft Internet Explorer 4.0 for Windows NT 4.0
 * Microsoft Internet Explorer 4.01 for Windows 95 SP 1
 * Microsoft Internet Explorer 4.0 for Windows 95

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This article was previously published under Q195648



IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.



SYMPTOMS
When you install personal certificates from a certificate server, you can install and use only 16. If you install a 17th certificate, all the certificates in your personal certificates list disappear, and the functionality for all the personal certificates is lost.



RESOLUTION
WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD).

To work around this issue, use Registry Editor to delete personal certificates in the following registry key until there are only 16 (or fewer):

HKEY_CURRENT_USER\Software\Microsoft\SystemCertificates\My\Certificates

Quit Registry Editor and then restart your computer. The remaining certificates reappear in the list of your personal certificates.



STATUS
Microsoft has confirmed this to be a problem in the products listed at the beginning of this article.

Keywords: kbenv kbprb KB195648

Technology: kbIE400Win95 kbIE400WinNT400 kbIE401Win95 kbIE401WinNT400 kbIE401WinNT400SP1 kbIE95Search kbIENT400Search kbIEsearch

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