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Single Sign-On via fingerprint reader fails if Fast Startup is disabled on Windows 7 or Windows 8

Symptoms
Consider the following scenario:
  • You have a computer running Windows 7 or Windows 8.
  • The computer has a fingerprint reader.
  • You have configured the fingerprint reader for Single Sign-on. This feature allows you to scan your fingerprint early in the boot process and pass that authentication information to Windows once Windows starts. With Single Sign-on enabled you do not need to provide a username and password to logon to Windows if you have provided your fingerprint during boot.
  • You have disabled the fast startup option of the Shutdown settings within Power Options Control Panel.
In the scenario above, Windows may require you to enter your username and password rather than using the previously provided fingerprint-based authentication information.
Cause
The problem occurs because of a timing issue between the Windows logon process and the fingerprint reader driver.
Workaround
To workaround this issue, either:

  1. Enable the fast startup option of the Shutdown settings in the Power Options Control Panel.

    OR

  2. Provide a username and password when prompted by Windows

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.
Properties

Article ID: 2873110 - Last Review: 07/23/2013 00:43:00 - Revision: 4.0

Windows 8 Enterprise, Windows 8 Pro, Windows 8, Windows 7 Enterprise, Windows 7 Professional, Windows 7 Service Pack 1

  • KB2873110
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