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+While GitHub did not find sufficient information to determine a valid anti-circumvention claim, we determined that this takedown notice contains other valid copyright claim(s).
+
+---
+
+**Are you the copyright holder or authorized to act on the copyright owner's behalf?**
+
+Yes, I am authorized to act on the copyright owner's behalf.
+
+**Are you submitting a revised DMCA notice after GitHub Trust & Safety requested you make changes to your original notice?**
+
+No
+
+**Does your claim involve content on GitHub or npm.js?**
+
+GitHub
+
+**Please describe the nature of your copyright ownership or authorization to act on the owner's behalf.**
+
+I am full time employee and [private] in Microsoft and I am authorized to initiate takedown on behalf of Microsoft.
+
+**Please provide a detailed description of the original copyrighted work that has allegedly been infringed. If possible, include a URL to where it is posted online.**
+
+These are leaked source code that belongs to Microsoft Corporation and repo owners and not authorized to upload this on GitHub.
+
+**What files should be taken down? Please provide URLs for each file, or if the entire repository, the repository’s URL.**
+
+https://github.com/lantaoxu/Windows-Server-2003  
+https://github.com/Arquivotheca/WinNT5_src_20201004  
+https://github.com/ShashankKumarSaxena/nt5src  
+https://github.com/amongus23420/windows-nt5.1  
+https://github.com/cbwang505/windows-XP-SP1  
+https://github.com/ThomasDuke/Windows-NT-Kernel-5.0  
+https://github.com/lakwsh/nt5src
+
+**Do you claim to have any technological measures in place to control access to your copyrighted content? Please see our <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice#complaints-about-anti-circumvention-technology">Complaints about Anti-Circumvention Technology</a> if you are unsure.**
+
+Yes
+
+**What technological measures do you have in place and how do they effectively control access to your copyrighted material?**
+
+For further details, please reach out to [private]
+
+**How is the accused project designed to circumvent your technological protection measures?**
+
+For further details, please reach out to [private]
+
+**<a href="https://docs.github.com/articles/dmca-takedown-policy#b-what-about-forks-or-whats-a-fork">Have you searched for any forks</a> of the allegedly infringing files or repositories? Each fork is a distinct repository and must be identified separately if you believe it is infringing and wish to have it taken down.**
+
+No I have not searched. Requesting for entire repo to be removed.
+
+**Is the work licensed under an open source license?**
+
+No
+
+**What would be the best solution for the alleged infringement?**
+
+Reported content must be removed
+
+**Do you have the alleged infringer’s contact information? If so, please provide it.**
+
+**I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law.**
+
+**I have taken <a href="https://www.lumendatabase.org/topics/22">fair use</a> into consideration.**
+
+**I swear, under penalty of perjury, that the information in this notification is accurate and that I am the copyright owner, or am authorized to act on behalf of the owner, of an exclusive right that is allegedly infringed.**
+
+**I have read and understand GitHub's <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice/">Guide to Submitting a DMCA Takedown Notice</a>.**
+
+**So that we can get back to you, please provide either your telephone number or physical address.**
+
+Microsoft Corporation  
+1 Microsoft Way, Redmond, WA 98052  
+[private]
+
+**Please type your full legal name below to sign this request.**
+
+[private]