Outage in HMH

Classcraft on Ed

Resolved Minor

March 10, 2026 - Started 3 days ago - Lasted 1 day
Official incident page

Incident Report

Summary AI Generated

Classcraft was not visible on the Ed platform for 25 hours, affecting the Content and Resources component. HMH engineering teams identified the root cause and implemented a fix to restore access for impacted users. The incident was resolved after a monitoring period to ensure stability.

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.

Components affected

HMH Content and Resources

Need to monitor HMH outages?

Monitor all your external dependencies in one place
Get instant alerts when outages are detected
Be the first to know if service is down
Show real-time status on private or public status page
Keep your team informed

Start monitoring for free

Latest Updates ( sorted recent to last )

RESOLVED 2 days ago - at 03/11/2026 04:00PM

This incident is now resolved.

MONITORING 3 days ago - at 03/10/2026 05:39PM

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.

IDENTIFIED 3 days ago - at 03/10/2026 04:42PM

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

INVESTIGATING 3 days ago - at 03/10/2026 04:13PM

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

INVESTIGATING 3 days ago - at 03/10/2026 03:07PM

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.

Latest HMH outages

Content on Waggle - 21 days ago

Contact Center: Intermittent Issues - about 1 month ago

Classes and Content Not Loading on Ed - 2 months ago

Classcraft Service Interruption - 4 months ago

Intermittent Service Degradation due to AWS Outage - 5 months ago

Stop wasting hours on 'is it us or them?'

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6020 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook