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The Halloween documents comprise a series of confidential Microsoft memoranda on potential strategies relating to free software, open-source software, and to Linux in particular, and a series of media responses to these memoranda. Both the leaked documents and the responses were published by open-source software advocate Eric S. Raymond in 1998.

The documents are associated with Halloween because many of them were originally leaked close to October 31 in different years.

Overview

The first Halloween document, requested by senior vice-president Jim Allchin for the attention of senior vice-president Paul Maritz and written by Microsoft program manager Vinod Valloppillil, was leaked to Eric Raymond in October 1998, who immediately published an annotated version on his web site. The document contained references to a second memorandum specifically dealing with Linux, and that document, authored by Vinod Valloppillil and Josh Cohen at Microsoft, was also obtained, annotated and published by Raymond. Microsoft later acknowledged the documents' authenticity. Marked "Microsoft confidential", the documents identified open-source software, and in particular the Linux operating system, as a major threat to Microsoft's domination of the software industry, and suggested tactics Microsoft could use to disrupt the progress of open-source software.

These documents acknowledged that free software products such as Linux were technologically competitive with some of Microsoft's products, and set out a strategy to combat them. These views contradicted Microsoft's public pronouncements on the subject.

Since the publication of the two original documents, other Microsoft memoranda on related topics have also been leaked and published.

List of documents

The documents are from a variety of sources. Only some are leaked internal memos (documents I, II, VII, VIII, and X). One is a public statement (document III). The others are responses by Eric Raymond to various columns, news articles, and other works.

Documents I and II

These are leaked reports for Microsoft's own use, both written by Vinod Valloppillil, a program manager at Microsoft.

Document I provides a detailed introduction to the concepts behind open source software and its possible impact on Microsoft products and services. It outlines the strengths and weaknesses of open source software. Document II describes the basic architecture of the Linux system, and its relation to Unix and Windows NT.

Document I revealed that "FUD" (spreading fear, uncertainty, and doubt) was a traditional Microsoft marketing strategy, acknowledged and understood internally. Examples of Microsoft's FUD tactics are announcing nonexistent products or spreading rumors that competing products will crash Windows. Raymond suggests that the documents show that while Microsoft may have been dismissive of open source software in public, it privately considers it a serious competitor.

In discussing ways of competing with open source, Document I suggests that one reason that open source projects had been able to enter the server market is the market's use of standardized protocols. The document then suggests that this can be stopped by "extending these protocols and developing new protocols" and "de-commoditiz protocols & applications". This policy has been internally nicknamed "embrace, extend, extinguish". Document I also suggests that open source software "is long-term credible ... FUD tactics can not be used to combat it", and "Recent case studies (the Internet) provide very dramatic evidence ... that commercial quality can be achieved / exceeded by OSS projects."

Documents I and II were filed as evidence on January 16, 2007, in the case of Comes v. Microsoft.

Document III

The statement from Aurelia van den Berg, the Press and Public Relations manager of Microsoft Netherlands, puts forward Microsoft's view on the first two documents. It says that the documents are not an "official position", but that "it is routine and appropriate" to research competitors. This statement is only a brief response, but many points were later incorporated into an official response from Microsoft.

Document VII

This document is a summary of the results of a survey of developers and IT managers, carried out by Microsoft, describing reactions to Microsoft's shared-source program. Eric Raymond provides commentary suggesting ways that the open-source community can promote itself based on the results of the survey. The results show favorable responses about both open-source and shared-source principles. It also describes low total cost of ownership (TCO) as a major reason for Linux adoption, in contradiction to many documents released by the company suggesting that Windows has a lower TCO than Linux solutions.

Document VIII

"OSS and Government", aka "Halloween VIII: Doing the Damage-Control Dance", is a memo from Group Vice President of Worldwide Sales, Orlando Ayala, to general managers of Microsoft regional subsidiaries. It describes the availability of support from Microsoft corporate for regional sales personnel facing competition from Linux in government markets.

Document X

An e-mail from consultant Mike Anderer to SCO Group's Chris Sontag, also known as "Halloween X: Follow The Money". The document describes, among other points, Microsoft's channeling of $86 million (equivalent to $139 million in 2023) to SCO.

See also

• AARD code
• Microsoft and open source
• Santa Cruz Operation
• Embrace, extend, and extinguish

References

1. ^ "Halloween Document, Part 1". Archived from the original on December 1, 2005. Retrieved October 16, 2024.
   At gnu.org.
2. ^ Harmon, Amy (November 3, 1998). "Internal Memo Shows Microsoft Executives' Concern Over Free Software". The New York Times. Retrieved November 5, 2011.
3. ^ "Microsoft Responds to the Open Source Memo Regarding the Open Source Model and Linux". Windows NT Server 4.0 website. Microsoft. November 5, 1998. Archived from the original on October 13, 1999. Retrieved June 2, 2012.
4. ^ "Halloween Document, Part 2". Archived from the original on January 28, 2020. Retrieved October 16, 2024.
   At catb.org.
5. "Halloween Document, Part 3". Retrieved October 16, 2024.
6. "Halloween Document, Part 4". Retrieved October 16, 2024.
7. "Halloween Document, Part 5". Retrieved October 16, 2024.
8. "Halloween Document, Part 6". Retrieved October 16, 2024.
9. "Halloween Document, Part 7". Retrieved October 16, 2024.
10. "Halloween Document, Part 8". Retrieved October 16, 2024.
11. "Halloween Document, Part 9". Retrieved October 16, 2024.
12. "Halloween Document, Part 10". Retrieved October 16, 2024.
13. "Halloween Document, Part 11". Retrieved October 16, 2024.
14. Rosenberg, Scott (November 4, 1998). "Let's Get This Straight: Microsoft's Halloween scare". Salon. Salon Media Group. Archived from the original on November 12, 2013. Retrieved June 2, 2012.
15. "Plaintiff's Exhibit 6501" (PDF). Exhibits Offered by Plaintiffs on 1.11.07 and Admitted by the Court on 1.16.07. iowa.gotthefacts.org. January 16, 2007. Archived from the original (PDF) on November 7, 2007. Retrieved June 2, 2012.
16. "Get the Facts: Total Cost of Ownership". Microsoft. Archived from the original (DOC) on April 11, 2007.
17. "Windows 2000 Versus Linux in Enterprise Computing" (PDF). IDC. Archived (PDF) from the original on June 23, 2013.
18. Galli, Peter (December 2, 2002). "Study Finds Windows Cheaper Than Linux". eWeek. Archived from the original on November 11, 2020. Retrieved November 12, 2020.

Further reading

• Rodger, Will (November 9, 1998). "Intel exec: MS wanted to 'extend, embrace and extinguish' competition". ZDNet. Washington: CBS Interactive. Archived from the original on February 9, 2015. Retrieved June 2, 2012.
• Jones, Pamela (January 8, 2007). "Expert Testimony of Ronald Alepin in Comes v. Microsoft - Embrace, Extend, Extinguish - Updated". Groklaw. Archived from the original on June 6, 2007. Retrieved June 2, 2012.
• Erickson, Jonathan (August 1, 2000). "Embrace, Extend, Extinguish: Three Strikes And You're Out". Dr. Dobb's Journal. UBM. Archived from the original on September 22, 2012. Retrieved June 2, 2012.

External links

• The Halloween documents (Archived November 8, 2020, at the Wayback Machine)

• Microsoft criticisms and controversies
• History of free and open-source software
• Disinformation operations
• Internet leaks
• 1990s documents