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Article ID: 2750396 - Last Review: November 14, 2012 - Revision: 1.0

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Symptoms

Assume that you have a Windows Server 2008 R2-based computer that has the Remote Desktop Services role installed. When you try to log on to the computer by using a smart card, or you try to log off the computer that uses smart card authentication, the computer freezes intermittently.

Note This issue can also occur on a computer that is running Windows 7 and that has the Remote Server Administration Tools feature installed.

Cause

This issue is caused by an error that occurs when the certificate propagation service adds a specified session to the global session. The certificate propagation service is applied when a user who is logged on inserts a smart card into the computer. In some cases, the session ID that is requested to be added to the internally maintained list clashes with some session IDs that were generated earlier. When this issue occurs, the SESSION_LIST_NODE function assumes that some errors have occurred, and the node that was just created should be deleted. Then, the SESSION_LIST_NODE function starts to delete the path. However, the head pointer of the node is not created yet, and the SESSION_LIST_NODE function is pointed to some nodes in the global session list. Therefore, all the paths of the previous nodes are deleted.

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. Additionally, you must have the Remote Desktop Services role installed on the computer that is running Windows Server 2008 R2 or have the Remote Server Administration Tools feature installed on the computer that is running Windows 7.
  • Windows 7
  • Windows 7 Service Pack 1 (SP1)
  • Windows Server 2008 R2
  • Windows Server 2008 R2 Service Pack 1 (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  (http://support.microsoft.com/kb/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 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
    VersionProductMilestoneService branch
    6.1.760 0.16xxxWindows 7 and Windows Server 2008 R2RTMGDR
    6.1.760 1.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical 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 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important 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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Certprop.dll6.1.7601.2212167,58428-Sep-201204:47x86
Scarddlg.dll6.1.7600.1638566,04814-Jul-200901:16x86
Scardsvr.dll6.1.7601.22121135,68028-Sep-201204:52x86
Sccls.dll6.1.7600.1638563,48814-Jul-200901:16x86
Scfilter.sys6.1.7601.2212126,62427-Sep-201215:34x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Certprop.dll6.1.7601.2212180,38428-Sep-201205:04x64
Scarddlg.dll6.1.7600.1638582,43214-Jul-200901:41x64
Scardsvr.dll6.1.7601.22121195,58428-Sep-201205:08x64
Sccls.dll6.1.7600.1638565,53614-Jul-200901:41x64
Scfilter.sys6.1.7601.2212129,69627-Sep-201216:30x64
Scarddlg.dll6.1.7601.2212166,04828-Sep-201204:52x86
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Certprop.dll6.1.7601.22121187,90427-Sep-201217:14IA-64
Scarddlg.dll6.1.7600.16385155,64814-Jul-200901:48IA-64
Scardsvr.dll6.1.7601.22121396,28827-Sep-201217:19IA-64
Sccls.dll6.1.7600.1638573,21614-Jul-200901:48IA-64
Scfilter.sys6.1.7601.2212168,60827-Sep-201215:43IA-64
Scarddlg.dll6.1.7601.2212166,04828-Sep-201204:52x86

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 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 nameX86_313e3affe4d7e82a7d79565bc0f529f0_31bf3856ad364e35_6.1.7601.22121_none_7b9b294b7aa90d2c.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_51710298be45ec30bfe0d2f72e3afec4_31bf3856ad364e35_6.1.7601.22121_none_2b7494a98d9d14bb.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_604946eb7af1410e73e5a1dce2173551_31bf3856ad364e35_6.1.7601.22121_none_ef96c98c4d0e449d.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_89fcb85cb90e841bb09468afc0e57384_31bf3856ad364e35_6.1.7601.22121_none_ab8db5a734abb912.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_9271b57e62aab51a360981db95b87ccf_31bf3856ad364e35_6.1.7601.22121_none_cc30d9786d52535f.manifest
File versionNot applicable
File size706
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_a6d89362e63e2aaadcc98afe77281a07_31bf3856ad364e35_6.1.7601.22121_none_1db1906b2959cda7.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_af8050348856cf47d4bc4b3aee4de812_31bf3856ad364e35_6.1.7601.22121_none_b8e7296550260a95.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_e204b11363b05acef75443328ef5f7df_31bf3856ad364e35_6.1.7601.22121_none_77631fa059beed82.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_e47b341ae8ec4ec8f091d540ede3c9bf_31bf3856ad364e35_6.1.7601.22121_none_689d64075b461bf6.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_e701e5e1aab5dd9311e5425399fbeb98_31bf3856ad364e35_6.1.7601.22121_none_405ea315057f273e.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_f2cfc723661ec7ed44cd19e7efe9213f_31bf3856ad364e35_6.1.7601.22121_none_f9720dcb532695bd.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_f87690c43e106b9b33f7bdee8df2783e_31bf3856ad364e35_6.1.7601.22121_none_bbf1a3c4b749a141.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_faf06de44497716137dc0563d3d28ce7_31bf3856ad364e35_6.1.7601.22121_none_2815d3baef5cc2f0.manifest
File versionNot applicable
File size714
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameX86_microsoft-windows-smartcardsubsystem_31bf3856ad364e35_6.1.7601.22121_none_1a80554ae15d9901.manifest
File versionNot applicable
File size35,048
Date (UTC)28-Sep-2012
Time (UTC)14:53
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_04caf41dc8ff769b04a32610a3fa65ff_31bf3856ad364e35_6.1.7601.22121_none_1d54adcfdc076421.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_09f243e1c0bf28f13718de8a30dd4481_31bf3856ad364e35_6.1.7601.22121_none_e19bc552557c68d9.manifest
File versionNot applicable
File size710
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_1c2ff4ed437babc86cafb71b74fb8f89_31bf3856ad364e35_6.1.7601.22121_none_20fbc44e048361bd.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_22f91b768d7c370d97b71aedba69fbfd_31bf3856ad364e35_6.1.7601.22121_none_97e1bfdffe404ea9.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_26a6771460ae4cd5ccaaa4276da1d2bb_31bf3856ad364e35_6.1.7601.22121_none_e2400aabc50e45c4.manifest
File versionNot applicable
File size1,086
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_3eb0057d6be4cda8b4e41bae50eb2666_31bf3856ad364e35_6.1.7601.22121_none_13587d23b5e1277f.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_40bdd7f9d71a2bdded23afbe3119af6c_31bf3856ad364e35_6.1.7601.22121_none_e9e264ebd352dd29.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_52c4313ee6d1ba0b17fcd5de24894ba1_31bf3856ad364e35_6.1.7601.22121_none_5c3a0b58b439fb77.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_5c5ce0cd7c887fa4efbfdd55099856a2_31bf3856ad364e35_6.1.7601.22121_none_8f24848bd4d5d5bb.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_5d3238c024cdf37b4bd7c9ff1263b252_31bf3856ad364e35_6.1.7601.22121_none_d18dbc537a71cbb5.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_61f2e15b0af0c758912d0b9da52d4cb3_31bf3856ad364e35_6.1.7601.22121_none_fea23d7ddb3901f3.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_6f15211e61a335a692185d21a1ab11e1_31bf3856ad364e35_6.1.7601.22121_none_508494270b775072.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_70dc672361f74936ce45a9ea7f3e4931_31bf3856ad364e35_6.1.7601.22121_none_979a4ba6efd2f429.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_73e7859f64f132e3d68f5bb1c279e5ff_31bf3856ad364e35_6.1.7601.22121_none_18484d205f563443.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_88ffc49196163b33efb050b78890f748_31bf3856ad364e35_6.1.7601.22121_none_3eae4bfbba242b4d.manifest
File versionNot applicable
File size1,076
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameAmd64_microsoft-windows-smartcardsubsystem_31bf3856ad364e35_6.1.7601.22121_none_769ef0ce99bb0a37.manifest
File versionNot applicable
File size35,054
Date (UTC)28-Sep-2012
Time (UTC)15:20
PlatformNot applicable
File nameWow64_microsoft-windows-smartcardsubsystem_31bf3856ad364e35_6.1.7601.22121_none_80f39b20ce1bcc32.manifest
File versionNot applicable
File size24,977
Date (UTC)28-Sep-2012
Time (UTC)05:33
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_44b418823a7d6a9be35161bce20a1171_31bf3856ad364e35_6.1.7601.22121_none_ff612d71397f1324.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_7084fe9179add13935e007f79924ddbf_31bf3856ad364e35_6.1.7601.22121_none_ce4abe995f2d7733.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_80f5c4e52990d597c52d78d4191bfdd8_31bf3856ad364e35_6.1.7601.22121_none_3155613f226b73b7.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_91105d13476ad4f733dc2aa9af5750d3_31bf3856ad364e35_6.1.7601.22121_none_dfa613ca58124886.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_d0f5376347e80834688fd46ee6cb4645_31bf3856ad364e35_6.1.7601.22121_none_0fe78ef704009f29.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_d753413ad4adb81f462cf69e18efb554_31bf3856ad364e35_6.1.7601.22121_none_af8d67093608c84b.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_dcdba7c1ca03b96a77d1f7f0018be65b_31bf3856ad364e35_6.1.7601.22121_none_48aaf54aa4ebe8ef.manifest
File versionNot applicable
File size709
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_e25a7b6840738649677b99c88bc854e3_31bf3856ad364e35_6.1.7601.22121_none_b81c656e0b2101fc.manifest
File versionNot applicable
File size1,074
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_e6633899aeab21d9f8dae8f0244e7c9a_31bf3856ad364e35_6.1.7601.22121_none_9a2a9e9b30959bcb.manifest
File versionNot applicable
File size708
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameIa64_microsoft-windows-smartcardsubsystem_31bf3856ad364e35_6.1.7601.22121_none_1a81f940e15ba1fd.manifest
File versionNot applicable
File size35,051
Date (UTC)28-Sep-2012
Time (UTC)14:38
PlatformNot applicable
File nameWow64_microsoft-windows-smartcardsubsystem_31bf3856ad364e35_6.1.7601.22121_none_80f39b20ce1bcc32.manifest
File versionNot applicable
File size24,977
Date (UTC)28-Sep-2012
Time (UTC)05:33
PlatformNot applicable

Applies to
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Server 2008 R2 Foundation
  • Windows Server 2008 R2 Standard
  • Windows Web Server 2008 R2
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseadvanced KB2750396
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