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System Requirements for Version 3.5

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

To ensure adequate performance, the .NET Framework version 3.5 has the following minimum and recommended system requirements for client and server applications.

Note Note

For the most up-to-date information on system requirements and supported platforms, see the Readme.htm file for the .NET Framework. If you have installed the .NET Framework as part of Visual Studio 2008, the Readme.htm file is located in the Program Files\Microsoft Visual Studio 9.0\SDK\v3.5 subdirectory.

The .NET Framework can be installed on the following platforms and operating systems. For information about the .NET Compact Framework support for mobile platforms, see Devices and Platforms Supported by the .NET Compact Framework.

Scenario

Target platforms

32-bit based systems

Windows XP Professional with SP2

Windows XP Home Edition with SP2

Windows XP Media Center Edition 2002 with SP2

Windows XP Media Center Edition 2004 with SP2

Windows XP Media Center Edition 2005

Windows XP Professional Reduced Media Edition with SP2

Windows XP Home Reduced Media Edition with SP2

Windows XP Tablet PC Edition with SP2

Windows XP Starter Edition

Windows Server 2003 Standard Edition

Windows Server 2003 Enterprise Edition

Windows Server 2003 Datacenter Edition

Windows Server 2003 Web Edition

Windows Small Business Server 2003 Standard Edition

Windows Small Business Server 2003 Premium Edition

Windows Server 2003 R2 Standard Edition

Windows Server 2003 R2 Enterprise Edition

Windows Server 2003 R2 Datacenter Edition

Windows Vista Starter

Windows Vista Home Basic

Windows Vista Home Premium

Windows Vista Ultimate

Windows Vista Business

Windows Server 2008 Standard 32-Bit

Windows Server 2008 Enterprise 32-Bit

Windows Server 2008 Datacenter 32-Bit

x64-bit based systems

Windows XP Professional x64 Edition

Windows Server 2003 Standard x64 Edition

Windows Server 2003 Enterprise x64 Edition

Windows Server 2003 Datacenter x64 Edition

Windows Server 2003 R2 Standard x64 Edition

Windows Server 2003 R2 Enterprise x64 Edition

Windows Server 2003 R2 Datacenter x64 Edition

Windows Vista Home Premium x64 Edition

Windows Vista Ultimate x64 Edition

Windows Vista Business x64 Edition

Windows Server 2008 Standard x64 Edition

Windows Server 2008 Enterprise x64 Edition

Windows Server 2008 Datacenter x64 Edition

Note Note
   The .NET Framework supports both WOW64 (32-bit processing on a 64-bit machine) as well as native 64-bit processing.

Itanium-based systems

Windows Server 2008 Enterprise for Itanium-based Systems

.NET Compact Framework

Microsoft Windows Mobile™ for Pocket PC

Windows Mobile for Smartphone

Microsoft Windows CE

Note Note
For information about the .NET Compact Framework support for mobile platforms, see Devices and Platforms Supported by the .NET Compact Framework.

The .NET Framework cannot be installed on the following operating systems.

Scenario

Operating system

All platforms

Microsoft Windows 95

Microsoft Windows 98

Microsoft Windows Millennium Edition

Microsoft Windows NT Server

Windows NT Workstation

Windows NT Server Enterprise Edition

Microsoft Windows 2000 Professional

Windows 2000 Server

Windows 2000 Advanced Server

Windows 2000 Datacenter Server

Windows Server 2003, Enterprise Edition for Itanium-based Systems

Windows Server 2003, Datacenter Edition for Itanium-based Systems

Minimum Software

  • Microsoft Internet Explorer 6.0 with Service Pack 1.

  • Microsoft Data Access Components (MDAC) 2.8 for data access applications.

  • Windows Installer version 3.0.

Processors

Scenario

Minimum

Recommended

.NET Framework

400 megahertz (MHz)

1 gigahertz (GHz)

RAM

Scenario

Minimum

Recommended

.NET Framework

96 megabytes (MB)

256 megabytes (MB)

Hard Disk Space

Scenario

Minimum

32-bit

280 MB

64-bit

610 MB

It is highly recommended for all platforms that you upgrade to the latest Windows Service Pack and critical updates available from http://www.windowsupdate.com to ensure the best compatibility and security.

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