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Article ID: 2203302 - Last Review: October 14, 2010 - Revision: 2.0

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SYMPTOMS

Consider the following scenario:
  • You have a computer that is running Windows 7, Windows Server 2008 R2, Windows Vista or Windows Server 2008.
  • You try to establish a Remote Desktop Protocol (RDP) connection to a terminal server on this computer.
  • The RDP connection is configured to use Secure Socket Layer (SSL) authentication and Credential Security Support Provider protocol (CredSSP).
In this scenario, the RDP connection fails.

Notes
  • This issue occurs when the server certificate on the terminal server is issued by an intermediate certification authority (CA) without the authority information access extension.
  • In Windows 7 and Windows Server 2008 R2, the "Terminal Services" is renamed as "Remote Desktop Services."

CAUSE

The CredSSP protocol does not provide the certificate chain information that is embedded in the server certificate. This problem occurs if the following two conditions are true:
  • The server certificate is issued by an intermediate CA that is embedded in the root CA.
  • The server certificate does not contain authority information access extensions that enable dynamic download of the chain information.
In this situation, the CertGetCertificateChain function cannot retrieve the full certificate chain of the server certificate. Therefore, the RDP connection fails.

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 (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 Vista Service Pack 1 (SP1)
  • Windows Vista Service Pack 2 (SP2)
  • Windows Server 2008
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows 7
  • Windows Server 2008 R2
For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:
935791  (http://support.microsoft.com/kb/935791/ ) How to obtain the latest Windows Vista service pack
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  (http://support.microsoft.com/kb/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 Vista and Windows Server 2008 file information notes
Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" 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
    6.0.600 1 . 22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.600 2 . 22xxxWindows Vista and Windows Server 2008SP2LDR
  •  Service Pack 1 is integrated into the release version of Windows Server 2008.
  • 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 and for Windows Vista" 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 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Credssp.dll6.0.6001.2276516,38416-Sep-201016:04x86
Tspkg.dll6.0.6001.2276562,46416-Sep-201016:07x86
Tspkg.mofNot Applicable96404-Mar-201006:05Not Applicable
Credssp.dll6.0.6002.2248916,38416-Sep-201017:44x86
Tspkg.dll6.0.6002.2248962,97616-Sep-201017:46x86
Tspkg.mofNot Applicable96403-Apr-200921:46Not Applicable
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Credssp.dll6.0.6001.2276519,45616-Sep-201015:04x64
Tspkg.dll6.0.6001.2276578,84816-Sep-201015:09x64
Tspkg.mofNot Applicable96426-Feb-201004:28Not Applicable
Credssp.dll6.0.6002.2248919,45616-Sep-201017:20x64
Tspkg.dll6.0.6002.2248978,84816-Sep-201017:23x64
Tspkg.mofNot Applicable96403-Apr-200921:07Not Applicable
Credssp.dll6.0.6001.2276516,38416-Sep-201016:04x86
Tspkg.dll6.0.6001.2276562,46416-Sep-201016:07x86
Tspkg.mofNot Applicable96404-Mar-201006:05Not Applicable
Credssp.dll6.0.6002.2248916,38416-Sep-201017:44x86
Tspkg.dll6.0.6002.2248962,97616-Sep-201017:46x86
Tspkg.mofNot Applicable96403-Apr-200921:46Not Applicable
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Credssp.dll6.0.6001.2276546,08016-Sep-201016:00IA-64
Tspkg.dll6.0.6001.22765177,15216-Sep-201016:05IA-64
Tspkg.mofNot Applicable96425-Feb-201007:54Not Applicable
Credssp.dll6.0.6002.2248946,08016-Sep-201017:23IA-64
Tspkg.dll6.0.6002.22489177,15216-Sep-201017:27IA-64
Tspkg.mofNot Applicable96403-Apr-200921:08Not Applicable
Credssp.dll6.0.6001.2276516,38416-Sep-201016:04x86
Tspkg.dll6.0.6001.2276562,46416-Sep-201016:07x86
Tspkg.mofNot Applicable96404-Mar-201006:05Not Applicable
Credssp.dll6.0.6002.2248916,38416-Sep-201017:44x86
Tspkg.dll6.0.6002.2248962,97616-Sep-201017:46x86
Tspkg.mofNot Applicable96403-Apr-200921:46Not Applicable
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 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
Credssp.dll6.1.7600.2074117,40823-Jun-201007:53x86
Tspkg.dll6.1.7600.2074165,02423-Jun-201007:54x86
Tspkg.mofNot Applicable96410-Jun-200921:40Not Applicable
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Credssp.dll6.1.7600.2074122,01623-Jun-201008:14x64
Tspkg.dll6.1.7600.2074186,01623-Jun-201008:19x64
Tspkg.mofNot Applicable96410-Jun-200921:01Not Applicable
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Credssp.dll6.1.7600.2074149,66423-Jun-201009:53IA-64
Tspkg.dll6.1.7600.20741187,39223-Jun-201009:53IA-64
Tspkg.mofNot Applicable96410-Jun-200921:06Not Applicable

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 Credential Security Support Provider, visit the following Microsoft website:
Introduction to the Credential Security Support Provider (http://msdn.microsoft.com/library/bb931352(v=VS.85).aspx)
For more information about how to configure authority information access extensions and certificate revocation list (CRL) distribution point extensions, visit the following Microsoft website:For more information about the CertGetCertificateChain function, visit the following Microsoft website:
Introduction to the CertGetCertificateChain function (http://msdn.microsoft.com/library/aa376078(VS.85).aspx)
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 Vista and for Windows Server 2008

Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot Applicable
File size2,590
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameX86_b8ade2469865a8ba3e9f30095f2cd7e5_31bf3856ad364e35_6.0.6002.22489_none_3a0bfab7d96aea48.manifest
File versionNot Applicable
File size704
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameX86_c31e6581c958102673b10394bc5488b1_31bf3856ad364e35_6.0.6001.22765_none_bee6d2dfeeb5ed88.manifest
File versionNot Applicable
File size704
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6001.22765_none_c405fb88bad9b9de.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)16:22
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6002.22489_none_c5dacec0b80cac40.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)18:09
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_6e0011d7adf4d02214de7b36ed4c9b23_31bf3856ad364e35_6.0.6001.22765_none_6864a1f5a2c8f87b.manifest
File versionNot Applicable
File size1,056
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameAmd64_ba70a9b268c8fba80f434d39484ec95e_31bf3856ad364e35_6.0.6002.22489_none_df782982b5308436.manifest
File versionNot Applicable
File size1,056
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameAmd64_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6001.22765_none_2024970c73372b14.manifest
File versionNot Applicable
File size12,958
Date (UTC)16-Sep-2010
Time (UTC)15:21
PlatformNot Applicable
File nameAmd64_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6002.22489_none_21f96a44706a1d76.manifest
File versionNot Applicable
File size12,958
Date (UTC)16-Sep-2010
Time (UTC)17:41
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size2,608
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6001.22765_none_c405fb88bad9b9de.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)16:22
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6002.22489_none_c5dacec0b80cac40.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)18:09
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_757a900359c898a32a7866833c2beb07_31bf3856ad364e35_6.0.6001.22765_none_082e213ff9ba03ed.manifest
File versionNot Applicable
File size1,054
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameIa64_bd12e438823291aa327ef1930faf2323_31bf3856ad364e35_6.0.6002.22489_none_e632b2e453020af5.manifest
File versionNot Applicable
File size1,054
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameIa64_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6001.22765_none_c4079f7ebad7c2da.manifest
File versionNot Applicable
File size12,947
Date (UTC)16-Sep-2010
Time (UTC)16:19
PlatformNot Applicable
File nameIa64_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6002.22489_none_c5dc72b6b80ab53c.manifest
File versionNot Applicable
File size12,947
Date (UTC)16-Sep-2010
Time (UTC)17:45
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,932
Date (UTC)17-Sep-2010
Time (UTC)07:35
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6001.22765_none_c405fb88bad9b9de.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)16:22
PlatformNot Applicable
File nameX86_microsoft-windows-security-credssp_31bf3856ad364e35_6.0.6002.22489_none_c5dacec0b80cac40.manifest
File versionNot Applicable
File size12,936
Date (UTC)16-Sep-2010
Time (UTC)18:09
PlatformNot Applicable

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 size1,880
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameX86_25fc7fbb43bc71b987734df5ac65d480_31bf3856ad364e35_6.1.7600.20741_none_fb7620039ca7e5b6.manifest
File versionNot applicable
File size694
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameX86_microsoft-windows-vssapi_31bf3856ad364e35_6.1.7600.20741_none_d56e1578fc1602de.manifest
File versionNot applicable
File size12,389
Date (UTC)23-Jun-2010
Time (UTC)11:24
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_78ebec17cb9f6fb08348f638d21e6e42_31bf3856ad364e35_6.1.7600.20741_none_4fd03bee333a533a.manifest
File versionNot applicable
File size1,038
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameAmd64_cd524ea83ae113ca33f22adc302c32bc_31bf3856ad364e35_6.1.7600.20741_none_b362264800266ca5.manifest
File versionNot applicable
File size698
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameAmd64_db27a3b9a2106db2c72a563fb2f385c5_31bf3856ad364e35_6.1.7600.20741_none_6af0bca2ffd19880.manifest
File versionNot applicable
File size698
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameAmd64_microsoft-windows-vssapi_31bf3856ad364e35_6.1.7600.20741_none_318cb0fcb4737414.manifest
File versionNot applicable
File size12,393
Date (UTC)23-Jun-2010
Time (UTC)11:27
PlatformNot applicable

File nameUpdate.mum
File versionNot applicable
File size2,114
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable
File nameWow64_microsoft-windows-vssapi_31bf3856ad364e35_6.1.7600.20741_none_3be15b4ee8d4360f.manifest
File versionNot applicable
File size11,453
Date (UTC)23-Jun-2010
Time (UTC)11:27
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_b068f97b4192c2b60545d6febfc0442e_31bf3856ad364e35_6.1.7600.20741_none_99af44c375b833ef.manifest
File versionNot applicable
File size696
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameIa64_db27a3b9a2106db2c72a563fb2f385c5_31bf3856ad364e35_6.1.7600.20741_none_0ed3c51547723046.manifest
File versionNot applicable
File size697
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameIa64_microsoft-windows-vssapi_31bf3856ad364e35_6.1.7600.20741_none_d56fb96efc140bda.manifest
File versionNot applicable
File size12,391
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameUpdate.mum
File versionNot applicable
File size1,690
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

File nameWow64_microsoft-windows-vssapi_31bf3856ad364e35_6.1.7600.20741_none_3be15b4ee8d4360f.manifest
File versionNot applicable
File size11,453
Date (UTC)23-Jun-2010
Time (UTC)11:21
PlatformNot applicable

APPLIES TO
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
Keywords: 
kbautohotfix kbqfe kbhotfixserver kbfix kbexpertiseinter kbsurveynew KB2203302
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