edX incident

Intermittent outages in the edX learning platform

Critical Resolved View vendor source →

edX experienced a critical incident on August 18, 2025 affecting Edge courseware and Student Courseware and 1 more component, lasting 1d. The incident has been resolved; the full update timeline is below.

Started
Aug 18, 2025, 07:02 PM UTC
Resolved
Aug 19, 2025, 07:17 PM UTC
Duration
1d
Detected by Pingoru
Aug 18, 2025, 07:02 PM UTC

Affected components

Edge coursewareStudent CoursewareEdge Instructor AnalyticsGrader QueuesEdge StudioInstructor AnalyticsCourse Authoring (Studio)

Update timeline

  1. monitoring Aug 18, 2025, 07:02 PM UTC

    Starting at about 3:30 p.m. UTC, edX has experienced intermittent outages to key elements of the learning experience, including, but not necessarily limited to, student courseware and course authoring in Studio. While we have not identified any issues since about 5:15 p.m. UTC and all systems are fully operational, we continue to investigate the cause and are closely monitoring the situation.

  2. monitoring Aug 19, 2025, 07:16 PM UTC

    As of approximately 4 p.m. UTC, the edX engineering team has determined the root cause of the August 18 outage and has taken steps to ensure it will not impact our systems again.

  3. resolved Aug 19, 2025, 07:17 PM UTC

    This incident has been resolved.