Microsoft is working to help customers secure their networks against the Slammer worm. Software tools and other resources designed to help secure installations of Microsoft® SQL Server™ 2000 and the Microsoft SQL Server Desktop Engine 2000 (MSDE 2000) are available from the microsoft.com download center.

SQL Server 2000 SQL Scan Tool (SQL Scan)

This utility scans an individual computer, a Windows domain, or a range of IP addresses for instances of SQL Server 2000 and MSDE 2000, and identifies instances that may be vulnerable to the Slammer worm. SQL Scan runs on computers running Windows 2000 or higher and can identify instances running on Windows NT 4.0, Windows 2000, or Windows XP.