Houghton Mifflin Harcourt incident

Single Sign On Access via Classlink

Houghton Mifflin Harcourt experienced a notice incident on November 19, 2024 affecting Login and Login and 1 more component, lasting 4h 34m. The incident has been resolved; the full update timeline is below.

Started: Nov 19, 2024, 05:24 PM UTC
Resolved: Nov 19, 2024, 09:58 PM UTC
Duration: 4h 34m
Detected by Pingoru: Nov 19, 2024, 05:24 PM UTC

Affected components

LoginLoginLogin

Update timeline

monitoring Nov 19, 2024, 05:24 PM UTC

We have identified an issue impacting some ClassLink Single Sign On (SSO) access to HMH platforms. Our Engineering team has released a solution to resolve this issue and all users should be able to log in successfully. We will continue to monitor for any further issues.
resolved Nov 19, 2024, 09:58 PM UTC

Login access for all impacted ClassLink Single Sign On (SSO) accounts has continued operating normally today and this incident is now resolved. Thank you for your patience during this disruption.