IIS Services Stop with Large Client Requests

ID: Q143484

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

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

Keywords : kbfile NT4SP4Fix kbfix4.00.sp4
Version : winnt:2.0,3.0,4.0
Platform : winnt
Issue type : kbbug