Article ID: 928692 - View products that this article applies to.
Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows registry
When you open a Web site by using Basic authentication in Microsoft Expression Web on a computer that is running Windows Vista, you may receive the following error message.
The folder name is not valid.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
To work around this issue, follow these steps:
Basic authentication is one form of user authentication where a user is identified to the server.
When the server is configured to use Basic authentication, the client computer transmits the users' credentials to the server. If the channel is not encrypted, such as in typical HTTP traffic, a malicious user on another computer on the network can possibly intercept the user name and the password of that user.
By default, Basic authentication is disabled in Windows Vista. When Basic authentication is disabled, either the client computer uses a different authentication method (if the server supports a different authentication method), or the request fails.
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