System Requirements

Published: June 24, 2002 | Updated: May 5, 2005
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Review the tables on this page to determine the minimum and recommended system requirements needed to run versions of the Microsoft Windows Server 2003 operating system.


On This Page
Microsoft Windows Server 2003 R2 Standard EditionMicrosoft Windows Server 2003 R2 Standard Edition
Microsoft Windows Server 2003 R2 Enterprise EditionMicrosoft Windows Server 2003 R2 Enterprise Edition
Microsoft Windows Server 2003 R2 Datacenter EditionMicrosoft Windows Server 2003 R2 Datacenter Edition
Microsoft Windows Server 2003 Web EditionMicrosoft Windows Server 2003 Web Edition
Windows Server 2003 Standard EditionWindows Server 2003 Standard Edition
Microsoft Windows Server 2003 Enterprise EditionMicrosoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Datacenter EditionMicrosoft Windows Server 2003 Datacenter Edition

Microsoft Windows Server 2003 R2 Standard Edition

ComponentRequirement

Computer and processor

PC with a 133-MHz processor required; 550-MHz or faster processor recommended; support for up to four processors on one server

Memory

128 MB of RAM required; 256 MB or more recommended; 4 GB maximum

Hard disk

1.25 to 2 GB of available hard-disk space

Drive

CD-ROM or DVD-ROM drive

Display

VGA or hardware that supports console redirection required; Super VGA supporting 800 x 600 or higher-resolution monitor recommended

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Microsoft Windows Server 2003 R2 Enterprise Edition

ComponentRequirement

Computer and processor

133-MHz processor required; 550-MHz recommended; up to eight processors supported on one server

Memory

128 MB of RAM minimum required; 256 MB or more recommended; 64 GB maximum

Hard disk

1.25 to 2 GB of available hard disk space

Drive

CD-ROM or DVD-ROM drive

Display

VGA or hardware that supports console redirection required; Super VGA supporting 800 x 600 or higher-resolution monitor recommended

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Microsoft Windows Server 2003 R2 Datacenter Edition

ComponentRequirement

Computer and processor

400 MHz processor required; 733 MHz processor recommended

Memory

512 MB of RAM required; 1 GB of RAM recommended; 128 GB Maximum

Hard disk

1.5 GB hard disk space

Other

Minimum: 8-way capable multiprocessor machine required; maximum: 32-way capable multiprocessor machine supported

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Microsoft Windows Server 2003 Web Edition

ComponentRequirement

Computer and processor

133-MHz processor (550 MHz recommended)

Memory

128 MB of RAM (256 MB recommended; 2 GB maximum)

Hard disk

1.5 GB of available hard-disk space

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Windows Server 2003 Standard Edition

ComponentRequirement

Computer and processor

PC with a 133-MHz processor required; 550-MHz or faster processor recommended (Windows Server 2003 Standard Edition supports up to four processors on one server)

Memory

128 MB of RAM required; 256 MB or more recommended; 4 GB maximum

Hard disk

1.25 to 2 GB of available hard-disk space

Drive

CD-ROM or DVD-ROM drive

Display

VGA or hardware that supports console redirection required; Super VGA supporting 800 x 600 or higher-resolution monitor recommended

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Microsoft Windows Server 2003 Enterprise Edition

ComponentRequirement

Computer and processor

133-MHz or faster processor for x86-based PCs; 733-MHz for Itanium-based PCs; up to eight processors supported on either the 32-bit or the 64-bit version

Memory

128 MB of RAM minimum required; maximum: 32 GB for x86-based PCs with the 32-bit version and 64 GB for Itanium-based PCs with the 64-bit version

Hard disk

1.5 GB of available hard-disk space for x86-based PCs; 2 GB for Itanium-based PCs; additional space is required if installing over a network

Drive

CD-ROM or DVD-ROM drive

Display

VGA or hardware that supports console redirection required

Other

Windows Server 2003 Enterprise Edition, 64-bit version is compatible only with 64-bit Intel Itanium-based systems and cannot install on 32-bit systems

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Microsoft Windows Server 2003 Datacenter Edition

ComponentRequirement

Computer and processor

Minimum: 400 MHz processor for x86-based computers or 733 MHz for Itanium-based computers; recommended: 733 MHz processor

Memory

Minimum: 512 MB of RAM; recommended: 1 GB of RAM

Hard disk

1.5 GB hard-disk space for x86-based computers; 2.0 GB for Itanium-based computers

Other

Minimum: 8-way capable multiprocessor machine required; maximum: 64-way capable multiprocessor machine supported


* Important: Please consider the following:

Windows Server 2003 Web Edition is not available as an R2 release.

The Enterprise and Datacenter editions of Windows Server 2003 with Service Pack 1 for Itanium-based systems cannot be successfully installed on 32-bit systems.

Windows Server 2003 may not use multiple processors with some Intel Pentium Pro or Pentium II processors. For more information, please see Knowledge Base article Q319091, Windows Server 2003 May Not Use Multiple Processors with Some Pentium Pro or Pentium II Processors.


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