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Article ID: 2468353 - Last Review: February 10, 2011 - Revision: 1.0

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SYMPTOMS

Consider the following scenario:
  • You enable either of the following Group Policy settings on a computer that is running Windows 7 or Windows Server 2008 R2:
    • Enforce password history
    • Password must meet complexity requirements
  • You use a credential manager DLL to receive password change notifications on the computer.
  • A user is prompted to change the password for the computer during the logon process when the user account password has expired.
  • The user types a new password that does not meet complexity requirements or the password history requirement, and the password change is unsuccessful.
In this scenario, the Multiple Provider Router (MPR) still calls the NPPasswordChangeNotify function to notify the credential manager DLL of a password change event.

CAUSE

This problem occurs because the Winlogon.exe process incorrectly notifies the MPR. Therefore, the user experiences the problem that is described in the "Symptoms" section.

RESOLUTION

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 website:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
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.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems:
  • Windows 7
  • Windows 7 Service Pack 1 (SP1)
  • Windows Server 2008 R2
  • Windows Server 2008 R2 Service Pack 1 (SP1)

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows 7 and Windows Server 2008 R2 file information notes
Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.760 0 . 20xxxWindows 7 and Windows Server 2008 R2RTMLDR
    6.0.760 1 . 21xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, very important issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Winlogon.exe6.1.7600.20861286,20818-Dec-201005:25x86
Winlogon.exe6.1.7601.21624286,72018-Dec-201007:56x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Winlogon.exe6.1.7600.20861390,65618-Dec-201006:04x64
Winlogon.exe6.1.7601.21624390,65618-Dec-201008:51x64
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Winlogon.exe6.1.7600.20861788,99218-Dec-201005:13IA-64
Winlogon.exe6.1.7601.21624789,50418-Dec-201009:35IA-64

STATUS

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 the NPPasswordChangeNotify function, visit the following Microsoft Developer Network (MSDN) website:
General information about the NPPasswordChangeNotify function (http://msdn.microsoft.com/en-us/library/aa378806(VS.85).aspx)
For more information about the issue that occurs in Windows Vista and in Windows Server 2008, click the following article number to view the article in the Microsoft Knowledge Base:
2470774  (http://support.microsoft.com/kb/2470774/ ) The MPR still calls the "NPPasswordChangeNotify" function to notify a password change event in Windows Vista or in Windows Server 2008 even though the password change is unsuccessful
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
936183  (http://support.microsoft.com/kb/936183/ ) In Windows Vista, the Multiple Provider Router calls the "NPPasswordChangeNotify" function to notify the credential manager DLL of a password change event, even though the password change is unsuccessful
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size2,773
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameX86_11e95bc312f8f8a0721d2da598a9a4bf_31bf3856ad364e35_6.1.7601.21624_none_d84fe31503145950.manifest
File versionNot applicable
File size696
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameX86_351bca431d662303d52bfe37819a68b5_31bf3856ad364e35_6.1.7600.20861_none_ec9890d1c84f3fd5.manifest
File versionNot applicable
File size696
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameX86_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7600.20861_none_70349a4d4f56088e.manifest
File versionNot applicable
File size16,217
Date (UTC)18-Dec-2010
Time (UTC)05:57
PlatformNot applicable
File nameX86_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7601.21624_none_724937e14c5950bb.manifest
File versionNot applicable
File size16,217
Date (UTC)18-Dec-2010
Time (UTC)08:30
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_6ab52ce0e492338bc95964c2aafc4a91_31bf3856ad364e35_6.1.7601.21624_none_8f86a872d2dcb67a.manifest
File versionNot applicable
File size700
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameAmd64_e7d021824f993f4a1b3dedf98589f801_31bf3856ad364e35_6.1.7600.20861_none_39047eb3ab183f28.manifest
File versionNot applicable
File size700
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameAmd64_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7600.20861_none_cc5335d107b379c4.manifest
File versionNot applicable
File size16,223
Date (UTC)18-Dec-2010
Time (UTC)06:51
PlatformNot applicable
File nameAmd64_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7601.21624_none_ce67d36504b6c1f1.manifest
File versionNot applicable
File size16,223
Date (UTC)18-Dec-2010
Time (UTC)09:23
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,215
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_4957d8ec7a64bf28dc36c456cd83544b_31bf3856ad364e35_6.1.7600.20861_none_58bdff8beb322c1e.manifest
File versionNot applicable
File size698
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameIa64_4db9b3360ecb12ffe5907494bc2cfe09_31bf3856ad364e35_6.1.7601.21624_none_fc0df26fbdc43086.manifest
File versionNot applicable
File size698
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable
File nameIa64_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7600.20861_none_70363e434f54118a.manifest
File versionNot applicable
File size16,220
Date (UTC)18-Dec-2010
Time (UTC)06:50
PlatformNot applicable
File nameIa64_microsoft-windows-winlogon_31bf3856ad364e35_6.1.7601.21624_none_724adbd74c5759b7.manifest
File versionNot applicable
File size16,220
Date (UTC)18-Dec-2010
Time (UTC)09:56
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,168
Date (UTC)20-Dec-2010
Time (UTC)23:35
PlatformNot applicable

APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
Keywords: 
kbsurveynew kbexpertiseinter kbfix kbautohotfix kbhotfixserver kbqfe KB2468353
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