This article was previously published under Q192296
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We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 7.0 running on Microsoft Windows Server 2008. IIS 7.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:
Specially-malformed GET requests can create a Denial of Service in the W3server and use all available memory on the Web server, which causesInternet Information Server (IIS) to stop responding or generate an AccessViolation error message.
A supported fix that corrects this problem is now available fromMicrosoft, but has not been fully regression tested and should be appliedonly to systems experiencing this specific problem. If you are notseverely affected by this specific problem, Microsoft recommends that youwait for the next Windows NT service pack.
To resolve this problem immediately, download the fix as described below.For a complete list of Microsoft Product Support Services phone numbersand information on support costs, please go to the following address onthe World Wide Web: