Normally, New Year’s Day is a time to relax, reflect and recover from the previous night’s festivities, but for System Administrators this year, that is not the case. Reminiscent of the Y2K scare at the turn of the century, a new bug has appeared, causing Microsoft Exchange servers to fail and forcing admins to disable some security features

Source: Hot Hardware – New Year, New Fail As Y2K22 Bug Brings Down Microsoft Exchange Servers Worldwide