Microsoft Corp. released a guide on April 25 to help systems administrators run Windows Server 2003 securely and reannounced a similar guide for Windows 2000 yesterday. The Windows Server 2003 Security Guide and the Windows 2000 Security Hardening Guide for Windows 2000 Professional and Server editions give instructions on how to set up the software and how to mitigate various attack types, as well as other tips, said Michael Stephenson, lead product manager for Windows Server at Microsoft.