Update - Some customers may experience delays when using the HMH Rostering Service. Our teams are working to address these delays as quickly as possible.
Aug 14, 2025 - 16:08 EDT
Update - Some customers may experience delays when using the HMH Rostering Service. Our teams are working to address these delays as quickly as possible.

If you are attempting to use the HMH Rostering Service today and notice it is taking longer than expected, please allow the process to complete and do not resubmit as this will increase the delay. Thank you for your patience as we work to address this issue.

Aug 12, 2025 - 16:10 EDT
Update - Rostering services are performing normally without delays. Thank you for your patience as we worked to address this issue.
Aug 08, 2025 - 19:04 EDT
Update - Customers may experience delays in rostering today. We are working to address these delays as quickly as possible.
Aug 08, 2025 - 15:53 EDT
Update - Our teams have enabled the vast majority of customers to roster. The small remaining who are still unable to roster will see a message when they attempt to roster within the platform and we are working to restore these final customers as quickly as possible. Thank you for your patience as we work to resolve this issue.
Aug 05, 2025 - 16:29 EDT
Update - We continue working to restore rostering service for all customers, thank you for your patience.

If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Aug 01, 2025 - 14:30 EDT
Update - We continue working to restore rostering service for all customers, thank you for your patience.

If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Jul 28, 2025 - 11:52 EDT
Update - We continue working to restore rostering service for all customers, thank you for your patience.

If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Jul 27, 2025 - 17:18 EDT
Update - We continue working to restore rostering service for all customers, thank you for your patience.

If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Jul 25, 2025 - 12:36 EDT
Update - We continue working to restore rostering service for all customers, thank you for your patience.

If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Jul 24, 2025 - 18:02 EDT
Update - We continue working to restore rostering service for all customers. If your Administrator receives a platform message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.
Jul 23, 2025 - 13:08 EDT
Update - Our teams have made more progress in restoring rostering service, however some organizations remain unable to roster. Addressing this issue is our top priority and we thank you for your patience.

If your Administrator receives a message indicating you are unable to roster, please do not attempt to roster. Once rostering service for your organization has been restored, this message will no longer appear.

Jul 22, 2025 - 14:36 EDT
Update - We continue working to restore rostering service for the remaining group of customers; however most organizations are eligible to roster as of yesterday.

If your organization is impacted, an alert will display for Administrators communicating that they should not attempt to roster.

Jul 21, 2025 - 10:11 EDT
Update - Our teams have restored rostering service for the bulk of our users. However, some still remain unable to roster. If your organization is impacted, an alert will display for Administrators communicating that they should not attempt to roster.

The next update is planned for Monday morning and we thank you for your patience as we work to restore service.

Jul 20, 2025 - 17:43 EDT
Update - Our teams are making progress restoring rostering service for all organizations.
Jul 20, 2025 - 13:25 EDT
Update - Work continues to restore rostering services. If your organization is impacted by this issue a message will display for Administrators when attempting to roster.

If you see this message, please delay any rostering activities. If you do not see this message, you are able to roster without any issues.

Jul 19, 2025 - 12:16 EDT
Update - We have restored rostering for some organizations and our teams will continue working to restore all remaining organizations.
Jul 18, 2025 - 20:12 EDT
Identified - We have identified an issue impacting rostering for HMH solutions and Administrators are unable to roster.

We are working to resolve this issue as quickly as possible, and updates will be provided here when information becomes available. Thank you for your patience during this disruption.

Jul 18, 2025 - 15:38 EDT

About This Site

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
Rostering Operational
ThinkCentral Operational
Login Operational
Content and Resources Operational
Assignments Operational
Reporting Operational
Rostering Operational
Holt McDougal Online Operational
Login Operational
Content and Resources Operational
Assignments Operational
Reporting Operational
Rostering Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Aug 18, 2025

No incidents reported today.

Aug 17, 2025
Completed - The scheduled maintenance has been completed.
Aug 17, 14:00 EDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 17, 13:00 EDT
Scheduled - Please be advised that we will be deploying changes to our rostering service this weekend to improve your experience. Rostering activities will be unavailable during the following timeframe:

On Sunday, August 17, 2025, between 1:00PM ET and 2:00PM ET

During this time, administrators and teachers will not be able perform rostering activities. Thank you for your patience during this work.

Aug 15, 18:40 EDT
Aug 16, 2025

No incidents reported.

Aug 15, 2025

No incidents reported.

Aug 14, 2025
Resolved - This issue has been resolved and the HMH Technical Support phone line is available.
Aug 14, 09:21 EDT
Update - Thank you for your patience.
Aug 13, 16:27 EDT
Identified - Please be aware that the HMH Technical Support phone number (800-323-9239) is currently unavailable. Visit our HMH Support site for additional support options including emailing and chat.
Aug 13, 16:26 EDT
Aug 13, 2025
Aug 12, 2025
Aug 11, 2025

No incidents reported.

Aug 10, 2025
Completed - The scheduled maintenance has been completed.
Aug 10, 18:00 EDT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Aug 8, 21:00 EDT
Scheduled - Please be advised that we will be deploying improvements to our reporting service this weekend to improve your experience on Ed. Reporting data on Ed will be unavailable during the following timeframe:

Between Friday, August 8, 2025, at 9:00PM ET until Sunday, August 10, 2025, at 6:00PM

During this time, administrators and teachers will not be able to view reports and students will not be able to view assessment scores. Thank you for your patience during this work.

Aug 7, 14:02 EDT
Aug 9, 2025

No incidents reported.

Aug 8, 2025
Aug 7, 2025

No incidents reported.

Aug 6, 2025

No incidents reported.

Aug 5, 2025
Aug 4, 2025

No incidents reported.