Microsoft KB Archive/327885

= FIX: HttpWebRequest Sends an &quot;Expect: 100-Continue&quot; Header When You Use HTTP 1.0 =

Article ID: 327885

Article Last Modified on 10/11/2005

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APPLIES TO


 * Microsoft .NET Framework 1.0 Service Pack 2

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This article was previously published under Q327885





SYMPTOMS
When you POST data by using an HttpWebRequest object, the object adds an HTTP &quot;Expect: 100-Continue&quot; header to the data. If you POST to a Web server that is not configured to handle this header, you may receive unexpected response headers.



RESOLUTION
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 Microsoft .NET Framework 1.0 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. The English version of this hotfix has the file attributes (or later) 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.   Date         Time   Version       Size       File Name 25-Sep-2002 14:08  1.0.3705.362  1,171,456  System.dll 25-Sep-2002 14:08  1.0.3705.362    311,296  System.runtime.remoting.dll 25-Sep-2002 14:09  1.0.3705.362    503,808  System.web.services.dll Note You must have the .NET Framework 1.0 Service Pack 2 installed to apply this hotfix.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbbug kbfix kbqfe kbnetframe100presp3fix kbhotfixserver KB327885

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