DOCUMENT:Q143484  08-AUG-2001  [iis]
TITLE   :IIS Services Stop with Large Client Requests
PRODUCT :Internet Information Server
PROD/VER:winnt:2.0,3.0,4.0
OPER/SYS:
KEYWORDS:kbfile kbWinNT400sp4fix

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The information in this article applies to:

 - Microsoft Internet Information Server versions 2.0, 3.0 
 - Microsoft Windows NT Server version 4.0 
 - Microsoft Windows NT Server version 4.0, Terminal Server Edition 
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SYMPTOMS
========

Microsoft Internet Information Server services are stopped and a Dr. Watson
error, which references the Inetinfo.exe process, is generated.

CAUSE
=====

The Internet Information Server service stops when it receives a client request
(such as URLs and headers) that contains between 4 and 8 kilobytes of data from
a browser.


RESOLUTION
==========

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or
Windows NT Server 4.0, Terminal Server Edition. For additional information,
please see the following article in the Microsoft Knowledge Base:

   Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack


For your convenience, the English version of this post-SP3 hotfix has been posted
to the following Internet location. However, Microsoft recommends that you
install Windows NT 4.0 Service Pack 4 to correct this problem.

   ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/hotfixes-postSP3/iis-fix

STATUS
======

Microsoft has confirmed this to be a problem in Internet Information Server
versions 2.0 and 3.0. This problem was first corrected in Windows NT 4.0 Service
Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Additional query words: 4.00 3.00 2.00 access violation denial of service attack

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Keywords          : kbfile kbWinNT400sp4fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbNTTermServ400 kbNTTermServSearch kbiisSearch kbiis300 kbiis200
Version           : winnt:2.0,3.0,4.0
Issue type        : kbbug
Solution Type     : kbfix

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Copyright Microsoft Corporation 2001.