We've now resolved the incident. Thank you for your patience.

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HMH systems are currently experiencing a service interruption. Users are unable to log on directly through SSO, but may still access by visiting the login page directly. We apologize for any inconvenience. We will update you when we have more information from HMH on a resolution timeframe.

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Began at:

Affected components
  • Applications (District Managed)
    • HMH - Think Central (Math)
    • HMH - Ed
    • HMH - Do the Math (SAM)
    • HMH - Holt McDougal Online (Math)