After you use a smart card certificate to establish a remote access connection, you cannot connect a Windows Vista-based computer to a shared resource in a foreign domain

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Article ID: 935576 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • On a Windows Vista-based computer, you log on to a domain.
  • You use a smart card certificate to establish a remote access connection.
  • You try to connect the Windows Vista-based computer to a shared resource in a foreign domain by using the remote access connection.
In this scenario, Kerberos authentication that uses the Public Key Initialization (PKINIT) protocol in the foreign domain fails. For example, when you use the net use \\ComputerName\ShareName command to connect the computer to a shared resource in the foreign domain, you cannot make the connection.

Note PKINIT is an Internet Engineering Task Force (IETF) Internet Draft for "Public Key Cryptography for Initial Authentication in Kerberos." Windows Vista uses the PKINIT protocol when you use a smart card to perform an interactive logon.

CAUSE

This problem occurs because the Kerberos.dll file does not try to obtain the fully qualified domain name (FQDN) of the user account from the smart card.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

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 this specific problem. 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

No prerequisites are required.

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other previously released hotfixes.

Registry information

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

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, 32-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Update.mumNot Applicable2,00409-Jun-200713:00Not Applicable
X86_d6ac54259d041608a38f1b3ca75b2e2e_31bf3856ad364e35_6.0.6000.20616_none_9afe74c520d37810.manifestNot Applicable70509-Jun-200713:00Not Applicable
X86_microsoft-windows-security-kerberos_31bf3856ad364e35_6.0.6000.20616_none_e5756b3accc755a5.manifestNot Applicable40,54009-Jun-200713:01Not Applicable
Kerberos.dll6.0.6000.20616493,56809-Jun-200702:36x86
Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Amd64_42d3150dc2cd411c618b78e18e3bc848_31bf3856ad364e35_6.0.6000.20616_none_5580f5d9e81004fd.manifestNot Applicable70909-Jun-200713:00Not Applicable
Amd64_d01b005eafb96db1a28883e2f3e9b0c5_31bf3856ad364e35_6.0.6000.20616_none_07af7689163cbbd0.manifestNot Applicable70909-Jun-200713:00Not applicable
Amd64_microsoft-windows-security-kerberos_31bf3856ad364e35_6.0.6000.20616_none_419406be8524c6db.manifestNot applicable40,57609-Jun-200713:06Not applicable
Package_1_for_kb935576~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable1,79809-Jun-200713:00Not applicable
Package_2_for_kb935576~31bf3856ad364e35~amd64~~6.0.1.0.mumNot applicable2,01509-Jun-200713:00Not applicable
Update.mumNot applicable1,90909-Jun-200713:00Not applicable
Wow64_microsoft-windows-security-kerberos_31bf3856ad364e35_6.0.6000.20616_none_4be8b110b98588d6.manifestNot applicable41,16009-Jun-200713:06Not applicable
Kerberos.dll6.0.6000.20616657,40809-Jun-200703:42x64
Kerberos.dll6.0.6000.20616493,56809-Jun-200702:36x86

WORKAROUND

To work around this problem, use an implicit user principal name (UPN) in the smart card certificate.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

MORE INFORMATION

An implicit UPN uses the following form:
user_name@DNS_domain_name.com
In an implicit UPN, the UPN suffix is an actual domain name.

An explicit UPN uses the following form:
name@suffix
In an explicit UPN, both the user account name and the UPN suffix are explicitly defined by the domain administrator. Therefore, the UPN suffix part may not be an actual domain name.

For more information about user name formats, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/aa380525.aspx
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

Properties

Article ID: 935576 - Last Review: October 8, 2011 - Revision: 4.0
APPLIES TO
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Ultimate
Keywords: 
kbautohotfix kbvistasp1fix kbexpertiseadvanced kbfix kbqfe kbHotfixServer KB935576

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