All users are locked on the Active Directory system

Pham Tien Dung 105 Reputation points
2024-08-02T09:38:27.46+00:00

Currently we are using an AD system installed on Windows 2019. Today I encountered a situation where all users on the system were locked at the same time (5000 users). I checked event id 4740 and saw that all users were locked. gets logged when calling the exchange server (exchange 2016) ip. I'm not sure about this, please help

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