Microsoft KB Archive/917952

= FIX: Error message when you try to install a ClickOnce application that you created in the .NET Framework 2.0 onto a client computer that is configured to use a proxy server: &quot;Proxy authentication required&quot; =

Article ID: 917952

Article Last Modified on 12/3/2007

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APPLIES TO


 * Microsoft .NET Framework 2.0

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SYMPTOMS
Consider the following scenario:
 * You create a ClickOnce application in the Microsoft .NET Framework 2.0.
 * You publish the ClickOnce application to a deployment server.
 * A client computer is configured to use a proxy server that requires authentication.

In this scenario, when you try to install the ClickOnce application from the deployment server onto the client computer, you receive the following error message:

The remote server returned an error: (407) Proxy Authentication Required.



Download information
The following file is available for download from the Microsoft Download Center:

Download the 271377_ENU_i386_zip.exe package now.

Release Date: 6/18/2007

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

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Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next .NET Framework 2.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
You must have the .NET Framework 2.0 installed to apply this hotfix.

Restart requirement
If you apply this hotfix within 15 minutes after you perform a ClickOnce operation, you must use one of the following methods for the hotfix to take effect:
 * Restart the client computer.
 * On the client computer, close all ClickOnce applications, and then wait until the Dfsvc.exe process exits.

Note The Dfsvc.exe process shuts down automatically after 15 minutes.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

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.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; 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 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbbug kbfix kbqfe kbpubtypekc kbhotfixserver KB917952

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