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Internet Explorer Stops Responding at "Downloading ActiveX Control" Message When You Try to Use a Certificate Server

Article ID: 330389 - View products that this article applies to.

This article was previously published under Q330389

SYMPTOMS

Any of the following symptoms may occur:

Web pages on a Microsoft Windows Certificate Server may stop responding.
You may receive error messages that state an ActiveX Control could not be downloaded.
Enrollment may not be successful.

For example, Internet Explorer may display a "Downloading ActiveX Control" message in a progress bar on a Web page or in the status bar when you try to use a Microsoft Windows Certificate Server to request a certificate or to enroll a smart card; you may not be able to continue the enrollment process.

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CAUSE

This behavior may occur if your computer been updated with the fix that is described in the following Microsoft Knowledge Base article, but the Microsoft Windows Certificate Server computer has not been updated with the fix.

323172

(http://support.microsoft.com/kb/323172/EN-US/ )

MS02-048: Flaw in Certificate Enrollment Control May Cause Digital Certificates to Be Deleted

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RESOLUTION

Contact the administrator of the Microsoft Windows Certificate Server computer. Administrators of Microsoft Windows Certificate Server computers must install the fix that is described in Microsoft Knowledge Base article Q323172 to permit updated clients to use the Certificate Enrollment control. For additional information about obtaining this fix, click the article number below to view the article in the Microsoft Knowledge Base:

323172

(http://support.microsoft.com/kb/323172/EN-US/ )

MS02-048: Flaw in Certificate Enrollment Control May Cause Digital Certificates to Be Deleted

If you have already installed this hotfix on the Certificate Server computer, reapply the hotfix and then restart your computer.

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STATUS

This behavior is by design.

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MORE INFORMATION

When a client computer for which the updated control has not been applied tries to enroll with a Web server that has been updated, the Web server downloads the updated control to the client computer. If you try to enroll a smart card, you must add the Web server that hosts the Certificate Services Web enrollment pages to the Trusted Sites zone in Microsoft Internet Explorer. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

330211

(http://support.microsoft.com/kb/330211/EN-US/ )

ActiveX Error Messages Using Certificate Enrollment Web Pages to Enroll a Smart Card in Internet Explorer

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