Houghton Mifflin Harcourt incident

Intermittent Service Degradation due to AWS Outage

Minor Resolved View vendor source →

Houghton Mifflin Harcourt experienced a minor incident on October 20, 2025 affecting Login and Login and 1 more component, lasting 23h 37m. The incident has been resolved; the full update timeline is below.

Started
Oct 20, 2025, 04:34 PM UTC
Resolved
Oct 21, 2025, 04:12 PM UTC
Duration
23h 37m
Detected by Pingoru
Oct 20, 2025, 04:34 PM UTC

Affected components

LoginLoginLoginContent and ResourcesContent and ResourcesContent and Resources

Update timeline

  1. monitoring Oct 20, 2025, 04:34 PM UTC

    We are aware of an ongoing disruption to AWS services which could still be impacting some HMH products, such as some content or videos not loading as expected. AWS has indicated they are making progress on resolving the issue and we continue to monitor this event closely.

  2. monitoring Oct 20, 2025, 09:23 PM UTC

    Impacts to some products and services will continue while AWS takes action to resolve the disruption on the impacted zone. We continue to monitor the situation and will provide another update as soon as possible.

  3. monitoring Oct 21, 2025, 12:15 PM UTC

    AWS service interruption has been resolved as of 10.20. HMH will continue to monitor for any residual impact as a result of this interruption.

  4. resolved Oct 21, 2025, 04:12 PM UTC

    This incident has been resolved.