Article ID: 911276 - View products that this article applies to.
When you try to go to a Microsoft ASP.NET page by using a URL that contains Unicode characters, you may receive the following HTTP error message:
Note This problem may occur when you use East Asian character sets.
HTTP Error 400 'Bad Request'
This problem occurs because the URL contains certain double-byte character set (DBCS) characters that cause ASP.NET to reject the request incorrectly.
Hotfix informationA 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 Microsoft .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:
PrerequisitesYou must have the .NET Framework 2.0 installed to apply this hotfix.
Restart requirementYou must restart the computer after you apply this hotfix.
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 tool in Control Panel.
Collapse this tableExpand this table
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:
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates