Might try;
slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
slmgr /ato
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
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Hello, after an update about 2 weeks ago, Server 2012 Foundation lost its activation and cannot be reactivated, most functions do not work, I can't get to windows update to uninstall packages. I can't access update package information from the command line either.
Might try;
slmgr /ipk xxxxx-xxxxx-xxxxx-xxxxx-xxxxx
slmgr /ato
--please don't forget to upvote
and Accept as answer
if the reply is helpful--