Windows Fundamentals for Legacy PCs

Windows Fundamentals for Legacy PCs ("WinFLP") is a thin client release of the Windows NT operating system developed by Microsoft[4] and optimized for older, less powerful hardware. It was released on July 8, 2006, nearly two years after its Windows XP SP2 counterpart was released in August 2004, and is not marketed as a full-fledged general purpose operating system, although it is functionally able to perform most of the tasks generally associated with one. It includes only certain functionality for local workloads such as security, management, document viewing related tasks and the .NET Framework. It is designed to work as a client–server solution with RDP clients or other third party clients such as Citrix ICA. Windows Fundamentals for Legacy PCs reached end of support on April 8, 2014 along with most other Windows XP editions.

Windows Fundamentals for Legacy PCs
Version of the Windows NT operating system
Windows Fundamentals for Legacy PCs desktop, showing Start menu and "About Windows" dialog box.
DeveloperMicrosoft
Source model
Released to
manufacturing		July 8, 2006 (2006-07-08)
Final release5.1.2600.5512 Service Pack 3 (SP3) / October 7, 2008 (2008-10-07)[1]
PlatformsIA-32
Kernel typeHybrid kernel
LicenseProprietary commercial software
Succeeded byWindows Thin PC[2]
Official websitewww.microsoft.com/licensing/sa/benefits/fundamentals.mspx
Support status
Mainstream support ended on April 14, 2009.[3]
Extended support ended on April 8, 2014.[3]
Part of a series of articles on
Windows XP

History

Windows Fundamentals for Legacy PCs was originally announced with the code name "Eiger" on 12 May 2005.[5][6][7] ("Mönch" was announced as a potential follow-up project at about the same time.[8]) The name "Windows Fundamentals for Legacy PCs" appeared in a press release in September 2005, when it was introduced as "formerly code-named “Eiger”" and described as "an exclusive benefit to SA [Microsoft Software Assurance] customers".[9]

A Gartner evaluation from April 2006 stated that:

The main purpose of Windows Fundamentals for Legacy PCs (WinFLP) is to allow users running old PCs to be able to replace unsupported Windows NT Workstation v.4, Windows 95 and Windows 98 with a supported release of Windows XP (or, eventually, a version based on Windows Vista). [...] Because WinFLP will have the ability to run some applications locally — including Internet Explorer, media players, Instant-Messaging clients, Java Virtual Machines, terminal emulators and ICA or Remote Desktop Protocol clients, and Microsoft Office — WinFLP can be better described as a "lean client" than a "thin client."

— Gartner[10]

The RTM version of Windows Fundamentals for Legacy PCs, which was released on July 8, 2006, was built from the Windows XP Service Pack 2 codebase.[11] The release was announced to the press on July 12, 2006.[12] Because Windows Fundamentals for Legacy PCs comes from a codebase of 32-bit Windows XP, its service packs are also developed separately.[13] For the same reason, Service Pack 3 for Windows Fundamentals for Legacy PCs, released on October 7, 2008, is the same as Service Pack 3 for 32-bit (x86) editions of Windows XP.[13] In fact, due to the earlier release date of the 32-bit version, many of the key features introduced by Service Pack 2 for 32-bit (x86) editions of Windows XP were already present in the RTM version of Windows Fundamentals for Legacy PCs.[12] Service Pack 3 is the last released service pack for Windows Fundamentals for Legacy PCs.

In May 2011, Microsoft announced Windows Thin PC as the successor product.[14]

Technical specifications

Microsoft positions Windows Fundamentals for Legacy PCs as an operating system that provides basic computing services on older hardware, while still providing core management features of more recent Windows releases, such as Windows Firewall, Group Policy, Automatic Updates, and other management services. However, it is not considered to be a general-purpose operating system by Microsoft.[15]

Windows Fundamentals for Legacy PCs is a Windows XP Embedded derivative and, as such, it requires significantly fewer system resources than the fully featured Windows XP.[4] It also features basic networking, extended peripheral support, DirectX, and the ability to launch the remote desktop clients from compact discs. In addition to local applications, it offers support for those hosted on a remote server using Remote Desktop.[4] It can be installed on a local hard drive, or configured to run on a diskless workstation.

Hardware requirements
System requirements
CPUPentium 233 MHz (300 MHz recommended)
Memory64 MB (128 MB recommended)
Graphics hardware800×600 computer monitor
Hard disk space610 MB minimum (1GB recommended)
Network hardwareOptional

Despite being optimized for older PCs, hardware requirements for Windows Fundamentals for Legacy PCs are similar to Windows XP, although it is faster running on slower clock speeds than Windows XP.

Limitations

Windows Fundamentals for Legacy PCs has a smaller feature set than Windows XP. For example, WinFLP does not include Paint, Outlook Express and Windows games such as Solitaire. Another limitation is the absence of the Compatibility tab in the Properties... dialog box for executable files.

Internet Explorer 8 (and 7) can be installed, but a hotfix is required for auto-complete to work in these newer versions of the browser.[16]

Availability

Windows Fundamentals for Legacy PCs was exclusively available to Microsoft Software Assurance customers, as it is designed to be an inexpensive upgrade option for corporations that have a number of Windows 9x computers, but lack the hardware necessary to support the latest Windows. It is not available through retail or OEM channels.

On October 7, 2008, Service Pack 3 for Windows Embedded for Point of Service and Windows Fundamentals for Legacy PCs was made available.[13]

On April 18, 2013, Service Pack 3 for Windows Fundamentals for Legacy PCs was made available for download again after previously having been removed from the Microsoft site.[17]

The Microsoft marketing pages for Windows Fundamentals now redirect to those of Windows Thin PC, suggesting that Windows Fundamentals is no longer available for any customers.

Windows Fundamentals for Legacy PCs has the same lifecycle policy as Windows XP; as such, its support lifespan ended on 8 April 2014.[18]

References
  1. http://www.microsoft.com/en-us/download/details.aspx?id=3740
  2. Windows Thin PC
  3. "Windows Fundamentals for Legacy PCs - Microsoft Lifecycle". Microsoft Docs. Microsoft. Retrieved July 2, 2021.
  4. "Microsoft Software Assurance Benefits - Windows Fundamentals for Legacy PCs". Microsoft Volume Licensing. Retrieved July 25, 2009. Windows Fundamentals for Legacy PCs is based on the Windows XP Embedded Service Pack 2 (SP2) operating system
  5. "Microsoft's Eiger Could Prolong the Useful Life of Older PCs". Gartner.com. Archived from the original on January 6, 2014. Retrieved January 6, 2014.
  6. Evers, Joris (May 13, 2005). "Microsoft to slim down Windows XP for older PCs | Platforms". InfoWorld. Retrieved January 6, 2014.
  7. Kotadia, Munir (May 17, 2005). "Microsoft Eiger to fight desktop Linux threat?". ZDNet. Retrieved January 6, 2014.
  8. "Microsoft Puts 'Eiger' Thin Client Into Early Testing". InformationWeek. May 13, 2005. Retrieved January 6, 2014.
  9. Microsoft Adds Eight Benefits and Enhancements to the Software Assurance Maintenance Offering, Sept. 15, 2005
  10. Alvin R. Park, "Determining the Value of Microsoft Software Assurance", 25 April 2006, Gartner ID Number: G00130974, p. 9
  11. "Windows Fundamentals for Legacy PCs". microsoft.com. September 17, 2006. Archived from the original on September 17, 2006. Retrieved May 11, 2022.
  12. "Microsoft extends lifeline for older PCs - CNET News". News.cnet.com. July 12, 2006. Retrieved January 6, 2014.
  13. "Download Details: Service Pack 3 for Windows Embedded for Point of Service and Windows Fundamentals for Legacy PCs". Microsoft Download Center. Microsoft Corporation. October 7, 2008. Retrieved January 31, 2010.
  14. "Microsoft to deliver Windows Thin PC to customers by June 30". ZDNet. May 2, 2011. Retrieved January 6, 2014.
  15. "Microsoft Software Assurance - Frequently Asked Questions". Microsoft Volume Licensing. Retrieved January 31, 2010. →Windows Fundamentals for Legacy PCs →Q:Can Windows Fundamentals for Legacy PCs function as a general-purpose operating system? →A: No. Microsoft Windows Fundamentals for Legacy PCs is a small-footprint Windows-based operating system solution designed to work with the Microsoft Remote Desktop Connection client or third-party clients, such as Citrix IC It allows for a limited number of workloads to be executed locally, including security software, management software, terminal emulation software, document viewers, and the .NET Framework.
  16. "Download Update for Windows Fundamentals for Legacy PCs (KB945367) from Official Microsoft Download Center". Microsoft.com. Retrieved January 6, 2014.
  17. "Service Pack 3 for Windows Fundamentals for Legacy PCs". Microsoft Download Center. Microsoft Corporation. April 18, 2013. Retrieved April 28, 2013.
  18. "Microsoft Lifecycle Policy".
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