HMH Platform incidents — OutageDBIncidents reported by HMH Platformhttps://outagedb.com/Minor HMH Platform incident: ED Assignment Issueshttps://outagedb.com/status/hmh-platform/2026-10-26-ed-assignment-issues/https://outagedb.com/status/hmh-platform/2026-10-26-ed-assignment-issues/Ongoing.Mon, 26 Oct 2026 18:05:16 GMTNo impact HMH Platform incident: Ed Login Issuehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 days 5 h.Fri, 29 May 2026 14:10:36 GMTMinor HMH Platform incident: Classcraft on Edhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 24 h 54 min.Tue, 10 Mar 2026 15:07:18 GMTMinor HMH Platform incident: Content on Wagglehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 2 days 20 h.Fri, 20 Feb 2026 18:59:33 GMTMinor HMH Platform incident: Contact Center: Intermittent Issueshttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 h 52 min.Thu, 29 Jan 2026 16:10:24 GMTMajor HMH Platform incident: Classes and Content Not Loading on Edhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 days 22 h.Thu, 08 Jan 2026 19:52:12 GMTMajor HMH Platform incident: Classcraft Service Interruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 h 29 min.Mon, 10 Nov 2025 16:45:37 GMTMinor HMH Platform incident: Intermittent Service Degradation due to AWS Outagehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 23 h 38 min.Mon, 20 Oct 2025 16:34:34 GMTMinor HMH Platform incident: Delay in Manual Assessment Scoring on Edhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 7 days 1 h.Mon, 06 Oct 2025 13:55:21 GMTNo impact HMH Platform incident: Service Interruption on Edhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 8 h 06 min.Fri, 19 Sep 2025 13:05:08 GMTNo impact HMH Platform incident: Technical Support Phone Servicehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 16 h 55 min.Wed, 13 Aug 2025 20:27:05 GMTNo impact HMH Platform incident: HMH Rostering Service Interruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 53 days 23 h.Sun, 20 Jul 2025 17:25:34 GMTNo impact HMH Platform incident: Holt McDougal Online Service Interruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 39 h 49 min.Thu, 29 May 2025 00:41:35 GMTNo impact HMH Platform incident: Holt McDougal Online Service Interruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 4 h 19 min.Mon, 12 May 2025 15:11:08 GMTMajor HMH Platform incident: Amira on Ed Service Disruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 32 min.Tue, 06 May 2025 14:35:44 GMTNo impact HMH Platform incident: HMH Ed Assignments Service Interruptionhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 days 2 h.Fri, 07 Mar 2025 18:04:47 GMTNo impact HMH Platform incident: HMH Ed Service Interruption (Recovered and Monitoring)https://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 1 h 27 min.Fri, 07 Mar 2025 14:28:41 GMTNo impact HMH Platform incident: Delay in Manual Assessment Scoring on Edhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 22 h 14 min.Thu, 30 Jan 2025 19:45:54 GMTNo impact HMH Platform incident: Read 180 Performance Updatehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 23 h 29 min.Tue, 28 Jan 2025 19:42:20 GMTNo impact HMH Platform incident: Read 180 Software Accesshttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 3 h 51 min.Mon, 09 Dec 2024 16:39:44 GMTNo impact HMH Platform incident: Single Sign On Access via Classlinkhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 4 h 35 min.Tue, 19 Nov 2024 17:24:05 GMTNo impact HMH Platform incident: Service Interruption to Wagglehttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 2 h 39 min.Thu, 14 Nov 2024 19:27:08 GMTNo impact HMH Platform incident: Service Interruption to Read 180https://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 17 h 46 min.Tue, 12 Nov 2024 02:26:14 GMTNo impact HMH Platform incident: CrowdStrike Global IT Eventhttps://outagedb.com/status/hmh-platform/https://outagedb.com/status/hmh-platform/Resolved after 51 min.Mon, 22 Jul 2024 15:03:41 GMT