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
Past Incidents
Feb 9, 2025

No incidents reported today.

Feb 8, 2025

No incidents reported.

Feb 7, 2025

No incidents reported.

Feb 6, 2025

No incidents reported.

Feb 5, 2025

No incidents reported.

Feb 4, 2025

No incidents reported.

Feb 3, 2025

No incidents reported.

Feb 2, 2025

No incidents reported.

Feb 1, 2025

No incidents reported.

Jan 31, 2025
Resolved - Our teams have continued monitoring performance for scoring in Ed and there have been no further delays. This incident has been resolved, and we thank you for your patience as we worked to restore performance.
Jan 31, 12:59 EST
Update - Manual scoring continues to process without delay this morning and we are confident this issue has been addressed. As a precaution we will continue monitoring performance today to ensure there are no further issues. Thank you for your patience as we worked to restore service.
Jan 31, 10:16 EST
Monitoring - All backlogged assessment scoring events have been processed and there is no longer a delay for teachers to manually score items from completed assessments. As a precaution we will continue monitoring performance until we are confident there are no further delays. Thank you for your patience as we worked to restore service.
Jan 30, 19:07 EST
Identified - Our Engineering team has addressed the cause of the delay and are now working to complete a backlog of scoring activities. The delay will incrementally reduce as this backlog is depleted and then return to normal operations. An update will be posted here once this has completed.
Jan 30, 17:17 EST
Investigating - Please be advised that some teachers in Ed are experiencing a delay in the ability to manually score an assessment item and are receiving an error message. There is no data loss and all other elements within Ed are operating normally.

We are working to address this delay and thank you for your patience.

Jan 30, 14:45 EST
Jan 30, 2025
Jan 29, 2025
Resolved - This incident has been resolved.
Jan 29, 14:11 EST
Update - We have released a solution to address the root cause of this issue. As a precautionary step our teams will continue closely monitoring performance in Read 180 today. An update will be provided here before the end of the day.
Jan 29, 09:35 EST
Update - Performance on Read 180 has remained normal. HMH teams have identified what we believe is the root cause of the problem and are working to apply a permanent solution to address this. An update will be provided tomorrow on or before 10:00AM ET.
Jan 28, 17:35 EST
Monitoring - Performance on Read 180 has returned to normal. We will continue monitoring performance and provide additional updates here.
Jan 28, 15:03 EST
Investigating - Read 180 is experiencing a service interruption. Teachers and Students are currently unable to launch the software and receive an error message when attempting to do so.

HMH teams are investigating this issue now and additional updates will be provided here as soon as possible. Thank you for your patience and we apologize for any inconvenience.

Jan 28, 14:42 EST
Jan 28, 2025
Jan 27, 2025

No incidents reported.

Jan 26, 2025

No incidents reported.