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https://rublog.alex-trofimov.com/2008/08/15/%d0%b4%d0%b5%d1%82%d0%b0%d0%bb%d0%b8-%d0%be-%d0%b7%d0%b0%d1%89%d0%b8%d1%82%d0%b5-%d0%be%d1%82-%d1%81%d0%bb%d1%83%d1%87%d0%b0%d0%b9%d0%bd%d0%be%d0%b3%d0%be-%d1%83%d0%b4%d0%b0%d0%bb%d0%b5%d0%bd%d0%b8/
>Детали о защите от случайного удаления в AD