The Microsoft Certified Systems Administrator (MCSA) on Windows Server® 2003 upgrade exam is available only to candidates who are currently certified as MCSAs or as MCSEs on Windows 2000. The MCSA on Windows Server 2003 credential is intended for IT professionals who work in the typically complex computing environment of medium to large companies. Candidates should have experience administering client and network operating systems in environments that have the following characteristics:

• 250 to 5,000 or more users
• Three or more physical locations
• Three or more domain controllers
• Network services and resources such as messaging, database, file and print, proxy server, firewall, Internet, intranet, remote access, and client computer management
• Connectivity requirements such as connecting branch offices and individual users in remote locations to the corporate network and connecting corporate networks to the Internet