noun
planned shutdown; planned outage
Technical term used in computing and system operations for a scheduled stoppage of a service or system, as opposed to an unexpected failure.
サーバーの計画停止は今夜の午前2時から行われます。
The planned shutdown of the server will take place from 2 a.m. tonight.
計画停止中はサービスがご利用いただけません。
The service will be unavailable during the planned outage.
Compound of 計画 (plan) and 停止 (stop, halt). A straightforward modern technical term.