Article ID: 945145 - View products that this article applies to.
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Consider the following scenario:
This behavior occurs even after you save your passport credentials in Credential Manager.
Windows Vista uses Windows HTTP Services (WinHTTP) to access the WebDAV site. WinHTTP must set a specific flag to enable the key ring for passport authentication. However, when the WebDAV redirector calls WinHTTP, the redirector does not set this flag as expected. Therefore, Credential Manager cannot obtain your passport credentials.
Service pack informationTo 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:
(https://support.microsoft.com/kb/935791/ )How to obtain the latest Windows Vista service pack
Hotfixes and security updates that are included in SP2 for Windows Vista Service and for Windows Server 2008For more information about the hotfixes and the security updates that are included in SP2 for Windows Vista and for Windows Server 2008, visit the following Microsoft TechNet Web site: -
http://technet.microsoft.com/en-us/library/dd335033.aspxNote: Currently, the list of hotfixes and security updates is available only in English.
Update informationTo resolve this problem, install one of the following updates, as appropriate for your situation.
Update for Windows Vista for x86-based systems
Update for Windows Vista for x64-based systems
Hotfix informationA 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=supportNote 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.
PrerequisitesNo prerequisites are required.
Restart requirementYou do not have to restart your computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other previously released hotfixes.
Registry informationTo use this hotfix, you do not have to make any changes to the registry.
File informationThe 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, x86-based versions
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Windows Vista, x64-based versions
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates
Article ID: 945145 - Last Review: January 16, 2015 - Revision: 2.3