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But a windows license will never expire! Once activated it activated unless blacklisted by MSoft for misuse.
They will only ever blacklist a key though if the same key is used of multiple machines and is not Volume License, or if its pirated in the first place
But that's a whole new conversation...and wont answer the OP question.
Is there anyway to monitor event id of windows activation license failed error?
Once license failed or deactivated then will get critical/warning for that particular event id in nagios.
If M$ creates an event for it, it would absolutely be possible, you would have to dig up what event id it might be and in what particular event log. NSclient would be able to handle this with the default event log checking.
Nagios-Plugins maintainer exclusively, unless you have other C language bugs with open-source nagios projects, then I am happy to help! Please pm or use other communication to alert me to issues as I no longer track the forum.