All Systems Operational

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Welcome to the HMH Platform Status Center. We continually monitor the availability and performance of our products. Interruptions to service will be posted here. We are committed to providing you with transparent, specific, and timely information. Please bookmark this page or subscribe to receive notification of a service issue.

If you are having problems with an HMH platform and there are no active incidents posted here, please try clearing your cache. If the issue persists, contact HMH Technical Support.

HMH Ed Operational
Login Operational
Content and Resources Operational
Assignments Operational
Reporting Operational
ThinkCentral Operational
Login Operational
Content and Resources Operational
Assignments Operational
Reporting Operational
Holt McDougal Online Operational
Login Operational
Content and Resources Operational
Assignments Operational
Reporting Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Jul 15, 2025

No incidents reported today.

Jul 14, 2025

No incidents reported.

Jul 13, 2025
Completed - The scheduled maintenance has been completed.
Jul 13, 06:12 EDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Jul 12, 17:12 EDT
Scheduled - Please be advised that we will be deploying improvements to the ThinkCentral platform during the following window:

Saturday, July 12, 2025, starting at 1:30AM EST and completing at 2:30PM EST

During this time educators and students will be unable to access the ThinkCentral platform. Thank you for your patience during this work.

Jul 11, 17:37 EDT
Jul 12, 2025
Jul 11, 2025

No incidents reported.

Jul 10, 2025

No incidents reported.

Jul 9, 2025

No incidents reported.

Jul 8, 2025

No incidents reported.

Jul 7, 2025

No incidents reported.

Jul 6, 2025

No incidents reported.

Jul 5, 2025

No incidents reported.

Jul 4, 2025

No incidents reported.

Jul 3, 2025

No incidents reported.

Jul 2, 2025

No incidents reported.

Jul 1, 2025

No incidents reported.