Overview
There was an issue that made it difficult to access Teachme Biz.
Date and Time of Occurrence & Situation
September 12, 2025, around 13:30 - 15:00
The issue has been resolved and access has been restored.
Impact Scope
・All Teachme Biz services
Cause
Due to infrastructure update work, memory shortages occurred in some environments.
Countermeasure
As a measure to prevent recurrence, we will continue to enhance the memory capacity.
We sincerely apologize for the inconvenience caused to our customers.
For inquiries regarding this matter, please contact us via the support form.
Update History
2025/9/17 Updated to "Resolved" / added cause and countermeasures
2025/9/12 Published