- Windows Server 2003 Standard - - Windows Server 2003 Enterprise - - Windows Server 2003 Datacenter - - Windows Server 2003 VLM Standard - - Windows Server 2003 VLM Enterprise - - Windows Server 2003 VLM Datacenter - - Windows Server 2003 Web - - Windows Server 2003 SBS - - Windows Server 2003 VLM Web - - Windows Server 2003 VLM SBS -