Single sign-on (SSO) does not work for VPN connections that use certificate authentication in Windows 8.1 Preview

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Article ID: 2866763 - View products that this article applies to.
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Assume that your organization requires user certificates for virtual private network (VPN) authentication. You try to access corporate network resources when you are connected over VPN on a Windows 8.1 Preview-based computer. In this situation, you may be prompted to re-enter your domain credentials.

Note This issue does not occur if you use smart cards for VPN authentication.


To resolve this issue, install update 2866763 from Windows Update.


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

More information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates


Article ID: 2866763 - Last Review: July 16, 2013 - Revision: 1.0
Applies to
  • Windows 8.1 Preview
kbqfe kbhotfixserver kbfix kbexpertiseinter kbprb kbsurveynew KB2866763

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