Houghton Mifflin Harcourt incident

Technical Support Phone Service

Notice Resolved View vendor source →

Houghton Mifflin Harcourt experienced a notice incident on August 13, 2025 affecting Rostering, lasting 16h 54m. The incident has been resolved; the full update timeline is below.

Started
Aug 13, 2025, 08:27 PM UTC
Resolved
Aug 14, 2025, 01:21 PM UTC
Duration
16h 54m
Detected by Pingoru
Aug 13, 2025, 08:27 PM UTC

Affected components

Rostering

Update timeline

  1. identified Aug 13, 2025, 08:26 PM UTC

    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.

  2. identified Aug 13, 2025, 08:27 PM UTC

    Thank you for your patience.

  3. resolved Aug 14, 2025, 01:21 PM UTC

    This issue has been resolved and the HMH Technical Support phone line is available.