Microsoft KB Archive/833301

= Microsoft Internet Explorer may stop responding for up to six minutes =

Article ID: 833301

Article Last Modified on 10/18/2006

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APPLIES TO


 * Microsoft Internet Explorer 6.0 Service Pack 1
 * Microsoft Internet Explorer 5.01 Service Pack 4
 * Windows Internet Explorer 7 for Windows Server 2003 IA64
 * Windows Internet Explorer 7 for Windows XP
 * Windows Internet Explorer 7 for Windows Server 2003

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SYMPTOMS
Microsoft Internet Explorer or Windows Internet Explorer may stop responding for up to six minutes.



CAUSE
This problem may occur if Internet Explorer or the Microsoft XMLHTTP COM object uses the Microsoft Win32 Internet (WinInet) API for HTTP operations. When a program or object that uses WinInet performs a POST operation, and the connection is closed or reset before a response is returned from the server the POST was sent to, WinInet may establish a new connection. The POST operation may be repeated, but no part of the body of the POST operation is resent.

This problem is likely to occur across slow links if the server-side connection timeout is set very low. Therefore, the server end may close the TCP connection during the time that the server is waiting for the client request to arrive.



WORKAROUND
To work around this problem, make the server timeout longer than the client timeout. When you do so, the client side closes the idle connection before the server side has reached the timeout.

Microsoft Internet Information Server (IIS) 5 and later have a default server side timeout of 2 minutes. For information about how to set the connection timeout in IIS, visit the following Microsoft Web site to view the Setting Connection Timeouts Web page:

http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/31a2f39c-4d59-4cba-905c-60e7af657e49.mspx

Internet Explorer 5 and later have a default client side timeout of 1 minute.

Keywords: kbprb KB833301

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