Security Update, May 8, 2001 <BR> <BR>Posted: May 08, 2001 <P> <A HREF="http://www.microsoft.com/windows2000/downloads/critical/q294391/default.asp" TARGET=_blank>http://www.microsoft.com/windows2000/downloads/critical/q294391/default.asp</A> <BR> <BR>Read Me First<BR>This update resolves the "Malformed Domain Controller Service Request" security vulnerability in Windows 2000, and is discussed in Microsoft Security Bulletin MS01-024. Download now to prevent a malicious user from temporarily disrupting service on your domain controller.<BR> <BR>A service that runs on Windows 2000 domain controllers incorrectly processes a certain type of invalid request. If a malicious user sends a continuous stream of specially malformed data packets to your domain controller, the data packets can consume your computer's resources and cause your domain controller to process service requests slowly or not at all. In some cases, this prevents the domain controller from authenticating users.<BR> <BR>For more information about this vulnerability, read Microsoft Security Bulletin MS01-024 . <P>System Requirements<BR>This update applies to:<P>Windows 2000 Server <BR>Windows 2000 Advanced Server <BR>How to download and install<BR>Select your language from the drop-down list at the top of the page. <BR>Click Go. <BR>Click Security Update. <BR>Do one of the following: <BR>To start the installation immediately, click Run this program from its current location. <BR>To copy the download to your computer for installation at a later time, click Save this program to disk. <BR>Click OK. <BR> <BR>How to use<BR>Restart your computer to complete the installation.