The methods in the ISensLogon2 interface returns incorrect session IDs for sessions when an application uses this interface to handle logon events

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Article ID: 967587 - View products that this article applies to.
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On a computer that is running a 64-bit version of Windows Server 2003, an application uses the ISensLogon2 interface to handle logon events and related information. However, the methods in this interface return incorrect session IDs for the sessions. For example, the methods may return the following incorrect session ID:
Note When this problem occurs, the query session command still returns correct session IDs.


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 the problem described in this article. 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.


To apply this hotfix, the computer must have Windows Server 2003 Service Pack 2 installed.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other previously released hotfixes.

Registry information

To use this hotfix, you do not have to make any changes to the registry.

File information

The English version of this hotfix 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 item in Control Panel.
Windows Server 2003 SP2, Itanium-based version
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Sens.dll5.2.3790.446699,84024-Feb-200913:38IA-64SP2Not Applicable
Windows Server 2003 SP2 and Windows XP SP2, x64-based version
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Sens.dll5.2.3790.446665,02424-Feb-200913:53x64SP2Not Applicable


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


System Event Notification Service (SENS), a subset of Synchronization Manager, is designed for use by mobile users who require a unique set of connectivity functions. These functions allow programs to catch certain events and to then trigger program-specific synchronization activities.

SENS supports the following four interfaces:
  • ISensLogon
  • ISensLogon2
  • ISensOnNow
  • ISensNetwork
For more information about the ISensLogon2 interface, visit the following Web site:
For more information, 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: 967587 - Last Review: October 7, 2011 - Revision: 3.0
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows XP Professional x64 Edition
kbautohotfix kbexpertiseadvanced kbfix kbsurveynew kbqfe KB967587

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