Biometric logon may not work after resuming from standby or hibernate

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You may not be able to use a biometric logon device (such as a fingerprint reader or retinal scanner) to log on to Windows XP after the computer resumes from standby or hibernation. This problem typically occurs after the computer enters standby or hibernation while at the Welcome (logon) screen. When this problem occurs, you typically can use a password to log on to the computer.

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

File information

The P1 version of this P2 has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version            Size    File name   --------------------------------------------------------------   24-Jan-2003  22:55  6.0.2800.1158      62,976  Shgina.dll       				
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft Windows XP Service Pack 2.
More information
This problem only occurs with Windows XP Service Pack 1 or with Windows XP (original release) with the hotfix that is described in the following article in the Microsoft Knowledge Base:
307274 Windows stops responding during Windows XP shut down
The following tables show the results of a logon attempt from each standby (suspend) or hibernate state.

From a logged-on user's desktop:
Resuming fromResult
Manual StandbySuccess
Manual HibernationSuccess
Automatic StandbySuccess
Automatic HibernationSuccess
Automatic Hibernation after Automatic StandbyCannot log on
From the Welcome (logon) screen:
Resuming fromResult
Manual StandbyCannot log on
Manual HibernationCannot log on
Automatic StandbyCannot log on
Automatic HibernationCannot log on
Automatic Hibernation after Automatic StandbyCannot log on

Article ID: 813301 - Last Review: 01/12/2015 21:20:44 - Revision: 6.0

Microsoft Windows XP Tablet PC Edition, Microsoft Windows XP Media Center Edition 2005 Update Rollup 2, Microsoft Fingerprint Reader, Microsoft Optical Desktop with Fingerprint Reader

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