Automatic Updates is the WSUS client software. Other than a network connection, Automatic Updates requires no particular hardware configuration. It can be used with WSUS on any computer that runs any of the following operating systems:

• Microsoft Windows 2000 Professional with Service Pack 3 (SP3) or Service Pack 4 (SP4), Windows 2000 Server with SP3 or SP4, or Windows 2000 Advanced Server with SP3 or SP4
  
• Microsoft Windows XP Professional, with or without Service Pack 1 or Service Pack 2
  
• Microsoft Windows Server 2003, Standard Edition; Windows Server 2003, Enterprise Edition; Windows Server 2003, Datacenter Edition; Windows Server 2003, Web Edition