Translation guide
How to express that a server is down or unavailable in Japanese, covering technical and everyday contexts.
The server has stopped functioning or is inaccessible.
The most common and natural way to say a server is down, using the loanword ダウン (down).
サーバーがダウンしていて、ウェブサイトにアクセスできません。
The server is down and I can't access the website.
Literally 'the server has fallen', a common colloquial way to say it's down.
さっきからサーバーが落ちているみたい。
It seems the server has been down for a while.
More formal, meaning 'the server is stopped/halted'. Used in technical or official announcements.
現在、サーバーが停止しております。復旧までしばらくお待ちください。
The server is currently stopped. Please wait a while until restoration.
Referring to the event or period when a server is unavailable.
Noun form meaning 'server down' or 'server outage'. Very common in IT contexts.
昨日のサーバーダウンの原因は何ですか？
What was the cause of yesterday's server outage?
Means 'server failure' or 'server trouble'. More formal and often used in official reports.
サーバー障害により、サービスがご利用いただけません。
Due to a server failure, the service is unavailable.
Literally 'server stop/halt'. Used for planned or unplanned outages.
定期メンテナンスのため、サーバー停止を行います。
We will perform a server stop for scheduled maintenance.
The server is running but not accepting connections or responding.
Means 'the server does not respond'. Neutral and technical.
サーバーが応答しません。時間をおいて再度お試しください。
The server is not responding. Please try again later.
Casual way to say 'can't connect to the server'. Common in everyday speech.
何度やってもサーバーにつながらない。
No matter how many times I try, I can't connect to the server.
The server has suddenly stopped working due to a software or hardware failure.
Direct loanword for 'crash'. Widely understood.
アクセスが集中してサーバーがクラッシュした。
The server crashed due to a surge in access.
Colloquial for 'the server went down/crashed'. Often used in casual conversation.
またサーバーが落ちたよ。
The server went down again.
ダウン is the most common and neutral loanword. 落ちる is casual and often used in spoken Japanese. 停止 is formal and used in official contexts or for planned stops.
サーバーがダウンしています。
The server is down. (neutral)
サーバーが落ちてる。
The server is down. (casual)
サーバーが停止しております。
The server is halted. (formal)