All Systems Operational

About This Site

Teachme Biz および iCheckup! の稼働状況をお伝えします。
We are pleased to inform you that Teachme Biz and iCheckup! are up and running.

通知を受け取りたい場合は、画面右上の「SUBSCRIBE TO UPDATES」から通知先を登録してください。
※メールアドレスを登録する場合は、登録時に送信されるメール内の「Confirm subscription」を忘れずにクリックしてください。
※1社あたりの登録上限は3件です。4件以上登録したい場合は、貴社内のメーリングリストを通知先としてご登録ください。
If you wish to receive notifications, please register your notification address by clicking "SUBSCRIBE TO UPDATES" in the upper right corner of the screen.
*The maximum number of subscriptions per company is 3. If you would like to subscribe to more, please register your company's internal mailing list as the recipient of notifications.

障害の詳細は追ってヘルプセンターでお伝えします。
Details of the incident will be provided at the Help Center as soon as possible.

ヘルプセンター/Help Center:https://help.teachme.jp/hc/
お問い合わせ:https://studist.my.site.com/tmbsupport/s/
Contact Us:https://docs.google.com/forms/d/e/1FAIpQLSdNEaIPPX7nb0EblfDTFHhifPHDMqTMBaJBOHjf4A_yCAH4Iw/viewform

Teachme Biz Operational
iCheckup! Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

メンテナンスに伴うサービス一時停止のお知らせ / Notice of Service Suspension due to Maintenance May 27, 2026 00:00-04:00 JST

Update - We will be undergoing scheduled maintenance during this time.
May 13, 2026 - 19:00 JST
Scheduled - ■予定 / Schedule:2026/5/27 00:00~4:00 JST(日本時間)
■対象 / Target:すべての環境・アプリ / All Teachme Biz services on all platforms
■注意事項 / Note:https://help.teachme.jp/hc/articles/8211165325977

ご迷惑をおかけいたしますが、ご理解とご協力のほどよろしくお願いいたします。
We apologize for any inconvenience this may cause and thank you for your understanding.

May 13, 2026 - 18:25 JST
May 15, 2026

No incidents reported today.

May 14, 2026

No incidents reported.

May 13, 2026
Resolved - 復旧しました。ご利用のお客様には大変ご迷惑をおかけし誠に申し訳ございませんでした。
The issue has been resolved and access has been restored.

May 13, 16:58 JST
Investigating - 詳細を調査、対応中です。
Details are being investigated and addressed.

May 13, 16:38 JST
May 12, 2026

No incidents reported.

May 11, 2026

No incidents reported.

May 10, 2026

No incidents reported.

May 9, 2026

No incidents reported.

May 8, 2026

No incidents reported.

May 7, 2026

No incidents reported.

May 6, 2026

No incidents reported.

May 5, 2026

No incidents reported.

May 4, 2026

No incidents reported.

May 3, 2026

No incidents reported.

May 2, 2026

No incidents reported.

May 1, 2026

No incidents reported.