ASP Request.BinaryRead Method Causes 100 Percent CPU Utilization

ID: Q218880

The information in this article applies to:

Microsoft Internet Information Server version 4.0

SYMPTOMS

When you try to upload a large file to an IIS computer from a browser using the ASP Request.BinaryRead method, and you click the Stop button on the client browser, the CPU utilization on the IIS computer will go to 100 percent.

CAUSE

The ASP engine does not properly handle when the client shuts down the connection in the middle of the Request.BinaryRead call.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:

http://www.microsoft.com/Windows/ServicePacks/

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

STATUS

Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. This problem was first corrected in Windows NT 4.0 Service Pack 6.

MORE INFORMATION

IMPORTANT Service Pack 4 is required to install this fix.

Additional query words: 4.00 iiswww iisscript

Keywords : kbbug4.00 kbfix4.00
Version : winnt:4.0
Platform : winnt
Issue type : kbbug