Windows Server 2003 R2 Enterprise SP2

Size: 750MB

Windows Server 2003 (also referred to as Win2K3) is a server operating system produced by Microsoft, introduced on 24 April 2003. An updated version, Windows Server 2003 R2, was released to manufacturing on 6 December 2005. Its successor, Windows Server 2008, was released on 4 February 2008.

According to Microsoft, Windows Server 2003 is more scalable and delivers better performance than its predecessor, Windows 2000


New and updated features
Manage Your Server

    * Internet Information Services (IIS) v6.0 - A significantly improved version of IIS.
    * Increased default security over previous versions, due to the built-in firewall and having most services disabled by default.
    * Significant improvements to Message Queuing.
    * Manage Your Server - a role management administrative tool that allows an administrator to choose what functionality the server should provide.
    * Improvements to Active Directory, such as the ability to deactivate classes from the scheme, or to run multiple instances of the directory server (ADAM)
    * Improvements to Group Policy handling and administration
    * Provides a backup system to restore lost files
    * Improved disk management, including the ability to back up from shadows of files, allowing the backup of open files.
    * Improved scripting and command line tools, which are part of Microsoft's initiative to bring a complete command shell to the next version of Windows.
    * Support for a hardware-based "watchdog timer", which can restart the server if the operating system does not respond within a certain amount of time

Enterprise Edition

Windows Server 2003, Enterprise Edition is aimed towards medium to large businesses. It is a full-function server operating system that supports up to 8 processors and provides enterprise-class features such as eight-node clustering using Microsoft Cluster Server (MSCS) software and support for up to 32 GB of memory through PAE (added with the /PAE boot string). Enterprise Edition also comes in 64-bit versions for the Itanium and x64 architectures. The 64-bit versions of Windows Server 2003, Enterprise Edition are capable of addressing up to 1 TB of memory. Both 32-bit and 64-bit versions support Non-Uniform Memory Access (NUMA). It also provides the ability to hot-add supported hardware. Enterprise Edition is also required to issue custom certificate templates.