Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

Incorrect result is returned when an application runs an LDAP query against Active Directory in Windows 7 or Windows Server 2008 R2


View products that this article applies to.

Symptoms

Assume that you install an application on a computer that is running Windows 7 or Windows Server 2008 R2. The application performs many Lightweight Directory Access Protocol (LDAP) queries in parallel against Active Directory. In this situation, a query returns the result of another query incorrectly. Additionally, several other queries fail with a "LDAP_PARAM_ERROR" error.

↑ Back to the top


Cause

This issue occurs because of a race condition in the Wldap32.dll components.

↑ Back to the top


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: 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 Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1. For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

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

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 Server 2008 R2 file information notes
  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.1.760 1.22xxxWindows 7 or Windows Server 2008 R2SP1LDR
  • 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" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. 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
File nameWldap32.dll
File version6.1.7601.22370
File size270,848
Date (UTC)28-Jun-2013
Time (UTC)05:15
Platformx86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameWldap32.dll
File version6.1.7601.22370
File size313,344
Date (UTC)28-Jun-2013
Time (UTC)05:17
Platformx64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameWldap32.dll
File version6.1.7601.22370
File size603,136
Date (UTC)28-Jun-2013
Time (UTC)04:20
PlatformIA-64

↑ Back to the top


Status

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

↑ Back to the top


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

Additional file information

Additional file information for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
File nameX86_microsoft-windows-ldap-client_31bf3856ad364e35_6.1.7601.22370_none_f5885123cdffd126.manifest
File versionNot applicable
File size13,956
Date (UTC)28-Jun-2013
Time (UTC)05:49
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameAmd64_microsoft-windows-ldap-client_31bf3856ad364e35_6.1.7601.22370_none_51a6eca7865d425c.manifest
File versionNot applicable
File size13,962
Date (UTC)28-Jun-2013
Time (UTC)05:50
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File nameIa64_microsoft-windows-ldap-client_31bf3856ad364e35_6.1.7601.22370_none_f589f519cdfdda22.manifest
File versionNot applicable
File size13,959
Date (UTC)28-Jun-2013
Time (UTC)05:37
PlatformNot applicable

↑ Back to the top


Keywords: kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbexpertiseadvanced, kbsurveynew, KB2836814

↑ Back to the top

Article Info
Article ID : 2836814
Revision : 1
Created on : 8/13/2013
Published on : 8/13/2013
Exists online : False
Views : 344