Security vulnerability in Microsoft Site Server 3.0, Commerce
Microsoft Product Bulletin MS00-010, dated February 18, 2000, reports a potential security vulnerability in Microsoft Site Server 3.0, Commerce Edition. The vulnerability exists in example Web applications provided with the product. Check out TechNet for more information about this vulnerability, including the patch.

Security vulnerabilities in Microsoft Index Server 2.0 and Windows 2000 Indexing service
Microsoft Product Bulletin MS00-006, dated January 27, 2000, reports two potential vulnerabilities in servers that use Microsoft Index Server 2.0 and Windows 2000 (Win2K) Indexing Service. The vulnerabilities let users view files regardless of permissions and potentially discover where key files are located. Patches for Index Server 2.0 are available for Intel and Alpha. You can also download a patch for Win2K Indexing Service.

Windows 2000 Help files Online
Did you know that all the Windows 2000 (Win2K) Help files are already online? The site includes technical white papers on many new features, such as clustering, Active Directory (AD), Dfs, and Internet Information Services (IIS) 5.0. The site also has a special section on upgrading to Win2K.