Resolved after 8 hours 6 minutes, affecting Content and Resources and Assignments, on September 19, 2025.
After monitoring performance today without any further issues, this incident is resolved. Thank you for your patience.
Affected components
Update timeline
- investigating Sep 19, 2025, 01:05 PM UTC
Please be advised of a possible disruption on Ed. Educators and students may experience content that loads slowly or not at all. Our teams are investigating, and additional updates will be provided here. Thank you for your patience.
- identified Sep 19, 2025, 01:41 PM UTC
Our teams have confirmed some users may experience errors or slowness when loading content, including the Home, Class Overview and Discover tabs. We are working to address this issue as quickly as possible. Thank you for your patience.
- monitoring Sep 19, 2025, 02:33 PM UTC
We have observed recovery for all services on Ed and users should not experience any errors or delays. As a precaution, we will continue monitoring performance closely today.
- resolved Sep 19, 2025, 09:11 PM UTC
After monitoring performance today without any further issues, this incident is resolved. Thank you for your patience.
Your product runs on more than Houghton Mifflin Harcourt
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services