Authentication may be unsuccessful when you use Internet Explorer 9 to visit a secure website that requires client-side certificates

You use Windows Internet Explorer 9 to visit a secure (HTTPS) website by using Secure Sockets Layer (SSL), and the website requires client-side certificates. However, after the connection is created, the prompt for the client certificate may not appear. Therefore, the authentication may be unsuccessful.

Note�This�problem does not occur if a proxy server is used in the connection between the client and the web server.

To resolve this problem, install this update.

Security update information

To resolve this issue, install the most recent cumulative security update for Windows Internet Explorer. To do this, visit the following Microsoft website:For more technical information about the most recent cumulative security update for Internet Explorer, visit the following Microsoft website:Note This update was first included in security update 2618444.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: