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  2. A terminal server that is running Windows Server 2008 stops responding when lots of clients make terminal sessions to the server

A terminal server that is running Windows Server 2008 stops responding when lots of clients make terminal sessions to the server

View products that this article applies to.

Symptoms

You have the "Terminal Services" role installed on a computer that is running Windows Server 2008. If lots of clients make terminal sessions to the server, the increased load may cause the server to stop responding.

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Cause

The problem is caused by an error in Credentials Manager (CredMan).The Credentials Manager does not initialize a handle correctly. This behavior causes a handle to be closed two times. If the handle is reassigned to another resource after the first closure and before the second closure, a valid handle is closed by mistake. If the handle belongs to a LSASS named pipe, the incorrect handle closure causes the server to stop responding.

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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 Web site:
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 Windows Server 2008 Service Pack 2.

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
968849 How to obtain the latest service pack for Windows Server 2008

Registry information

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

Restart requirement

You may have to 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 file information notes
  • 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.
    VersionProductSR_LevelService branch
    6.0.600 2 . 22xxxWindows Server 2008SP2LDR
  • 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" section. MUM files 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 Server 2008
File nameFile versionFile sizeDateTimePlatform
Ksecdd.sys6.0.6002.22152439,88030-Jul-200917:42x86
Lsasrv.dll6.0.6002.223351,259,52011-Feb-201013:47x86
Lsasrv.mofNot applicable13,78003-Apr-200921:33Not applicable
Lsass.exe6.0.6002.223359,72811-Feb-201011:32x86
Secur32.dll6.0.6002.2233572,70411-Feb-201013:49x86
Wdigest.dll6.0.6002.22335175,10411-Feb-201013:50x86
Msv1_0.dll6.0.6002.22335218,62411-Feb-201013:48x86
For all supported x64-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Ksecdd.sys6.0.6002.22152515,65630-Jul-200917:42x64
Lsasrv.dll6.0.6002.223351,690,11211-Feb-201013:47x64
Lsasrv.mofNot applicable13,78003-Apr-200921:02Not applicable
Lsass.exe6.0.6002.2233511,26411-Feb-201011:45x64
Secur32.dll6.0.6002.2233594,72011-Feb-201013:49x64
Wdigest.dll6.0.6002.22335205,31211-Feb-201013:50x64
Msv1_0.dll6.0.6002.22335269,31211-Feb-201013:48x64
Lsasrv.mofNot applicable13,78003-Apr-200921:33Not applicable
For all supported IA-64-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Ksecdd.sys6.0.6002.221521,026,12030-Jul-200917:42IA-64
Lsasrv.dll6.0.6002.223353,261,95211-Feb-201013:43IA-64
Lsasrv.mofNot applicable13,78003-Apr-200921:02Not applicable
Lsass.exe6.0.6002.2233517,92011-Feb-201011:44IA-64
Secur32.dll6.0.6002.22335202,75211-Feb-201013:46IA-64
Wdigest.dll6.0.6002.22335482,30411-Feb-201013:47IA-64
Msv1_0.dll6.0.6002.22335570,36811-Feb-201013:44IA-64
Lsasrv.mofNot applicable13,78003-Apr-200921:33Not applicable

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Status

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

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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

Additional files for all supported x86-based versions of Windows Server 2008
File nameUpdate.mum
File versionNot applicable
File size3,068
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameX86_bbf8fdc96198229bcfcf046b250982a0_31bf3856ad364e35_6.0.6002.22335_none_b0a70c7f4954475a.manifest
File versionNot applicable
File size703
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameX86_db81836ed87235c43df07b16f20eb510_31bf3856ad364e35_6.0.6002.22335_none_88d9c61d564424c7.manifest
File versionNot applicable
File size1,036
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameX86_microsoft-windows-lsa_31bf3856ad364e35_6.0.6002.22335_none_a89f34a17322f16d.manifest
File versionNot applicable
File size34,354
Date (UTC)11-Feb-2010
Time (UTC)15:26
PlatformNot applicable
File nameX86_microsoft-windows-security-digest_31bf3856ad364e35_6.0.6002.22335_none_3d21f4f6930ccd00.manifest
File versionNot applicable
File size9,924
Date (UTC)11-Feb-2010
Time (UTC)15:30
PlatformNot applicable
File nameX86_microsoft-windows-security-ntlm_31bf3856ad364e35_6.0.6002.22335_none_7f0796b278e27c4f.manifest
File versionNot applicable
File size18,890
Date (UTC)11-Feb-2010
Time (UTC)15:28
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Server 2008
File nameAmd64_a1e9cafc7000c30030de0f5913a44d6d_31bf3856ad364e35_6.0.6002.22335_none_e15bff811da9bc13.manifest
File versionNot applicable
File size1,056
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameAmd64_a3496565ce6dae47cc46d0f7a0323e02_31bf3856ad364e35_6.0.6002.22335_none_9882ebda761f967f.manifest
File versionNot applicable
File size1,726
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameAmd64_microsoft-windows-lsa_31bf3856ad364e35_6.0.6002.22335_none_04bdd0252b8062a3.manifest
File versionNot applicable
File size34,442
Date (UTC)11-Feb-2010
Time (UTC)15:22
PlatformNot applicable
File nameAmd64_microsoft-windows-security-digest_31bf3856ad364e35_6.0.6002.22335_none_9940907a4b6a3e36.manifest
File versionNot applicable
File size9,948
Date (UTC)11-Feb-2010
Time (UTC)15:27
PlatformNot applicable
File nameAmd64_microsoft-windows-security-ntlm_31bf3856ad364e35_6.0.6002.22335_none_db263236313fed85.manifest
File versionNot applicable
File size18,926
Date (UTC)11-Feb-2010
Time (UTC)15:25
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,092
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.0.6002.22335_none_0f127a775fe1249e.manifest
File versionNot applicable
File size21,959
Date (UTC)11-Feb-2010
Time (UTC)15:22
PlatformNot applicable
File nameWow64_microsoft-windows-security-digest_31bf3856ad364e35_6.0.6002.22335_none_a3953acc7fcb0031.manifest
File versionNot applicable
File size10,140
Date (UTC)11-Feb-2010
Time (UTC)15:21
PlatformNot applicable
File nameWow64_microsoft-windows-security-ntlm_31bf3856ad364e35_6.0.6002.22335_none_e57adc8865a0af80.manifest
File versionNot applicable
File size17,843
Date (UTC)11-Feb-2010
Time (UTC)15:21
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
File nameIa64_b227d5522a6c98d73e455ad65bcf36c6_31bf3856ad364e35_6.0.6002.22335_none_b59bd2bd0f37f9ce.manifest
File versionNot applicable
File size1,723
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameIa64_e7c16201baa8a4355e02976ecbf89b2a_31bf3856ad364e35_6.0.6002.22335_none_ea93bea76a4f2254.manifest
File versionNot applicable
File size1,054
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameIa64_microsoft-windows-lsa_31bf3856ad364e35_6.0.6002.22335_none_a8a0d8977320fa69.manifest
File versionNot applicable
File size34,398
Date (UTC)11-Feb-2010
Time (UTC)15:10
PlatformNot applicable
File nameIa64_microsoft-windows-security-digest_31bf3856ad364e35_6.0.6002.22335_none_3d2398ec930ad5fc.manifest
File versionNot applicable
File size9,936
Date (UTC)11-Feb-2010
Time (UTC)15:14
PlatformNot applicable
File nameIa64_microsoft-windows-security-ntlm_31bf3856ad364e35_6.0.6002.22335_none_7f093aa878e0854b.manifest
File versionNot applicable
File size18,908
Date (UTC)11-Feb-2010
Time (UTC)15:12
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,249
Date (UTC)12-Feb-2010
Time (UTC)04:49
PlatformNot applicable
File nameWow64_microsoft-windows-lsa_31bf3856ad364e35_6.0.6002.22335_none_0f127a775fe1249e.manifest
File versionNot applicable
File size21,959
Date (UTC)11-Feb-2010
Time (UTC)15:22
PlatformNot applicable
File nameWow64_microsoft-windows-security-digest_31bf3856ad364e35_6.0.6002.22335_none_a3953acc7fcb0031.manifest
File versionNot applicable
File size10,140
Date (UTC)11-Feb-2010
Time (UTC)15:21
PlatformNot applicable
File nameWow64_microsoft-windows-security-ntlm_31bf3856ad364e35_6.0.6002.22335_none_e57adc8865a0af80.manifest
File versionNot applicable
File size17,843
Date (UTC)11-Feb-2010
Time (UTC)15:21
PlatformNot applicable

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Keywords: kbexpertiseinter, kbfix, kbhotfixserver, kbqfe, kbautohotfix, kbsurveynew, kbprb, KB980568

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Article Info
Article ID : 980568
Revision : 1
Created on : 4/14/2010
Published on : 4/14/2010
Exists online : False
Views : 517