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Sysadmin shock as Windows Server 2025 installs itself
(www.theregister.com)
This is a most excellent place for technology news and articles.
M$'s mistake creates no obligation to pay, either way. They cannot sue anyone for the extra money.
But some customers (depending on their legislation) might sue M$ to make broken systems running again, for example if these systems have stopped now with a 'missing license' error message.