Houghton Mifflin Harcourt incident

Classcraft on Ed

Resolved after 1 day, affecting Content and Resources, on March 10, 2026.

monitoring Mar 10, 2026, 05:39 PM UTC

Thank you again for your patience. A fix has been implemented and Classcraft is now available for impacted users. Out of an abundance of caution, we will be monitoring this incident into the day tomorrow. If you experience any issues accessing Classcraft, please contact HMH Technical Support.

Started
Mar 10, 2026, 03:07 PM UTC
Resolved
Mar 11, 2026, 04:00 PM UTC
Duration
1d
Detected by Pingoru
Mar 10, 2026, 03:07 PM UTC

Affected components

Content and Resources

Update timeline

  1. investigating Mar 10, 2026, 03:07 PM UTC

    HMH engineering teams are currently investigating an issue where Classcraft is not visible on Ed. Another update will be provided here as soon as more information is available.

  2. investigating Mar 10, 2026, 04:13 PM UTC

    We are continuing to investigate the root cause of Classcraft not displaying on Ed. Thank you for your patience.

  3. identified Mar 10, 2026, 04:42 PM UTC

    The cause of Classcraft not displaying on Ed has been identified and we are currently working on a fix.

  4. monitoring Mar 10, 2026, 05:39 PM UTC

    Thank you again for your patience. A fix has been implemented and Classcraft is now available for impacted users. Out of an abundance of caution, we will be monitoring this incident into the day tomorrow. If you experience any issues accessing Classcraft, please contact HMH Technical Support.

  5. resolved Mar 11, 2026, 04:00 PM UTC

    This incident is now resolved.

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