Outage in OpenSesame
Marketplace is down
Resolved MajorIncident Report
Summary AI Generated
On September 21, 2026, OpenSesame experienced a major outage lasting 58 minutes that took down the course marketplace, course delivery platform, embedded catalog, and API, preventing users from browsing courses or launching content. The engineering team identified the root cause and worked to restore services. All affected components were fully resolved by 3:30 PM PT.
We are investigating an issue with our course marketplace, player, and related services. Affected users may encounter inability to browse the marketplace, launch courses, and use related services. Our engineering team is actively working to resolve this issue.
We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
Components affected
OpenSesame Catalog OpenSesame API OpenSesame Course Delivery Platform OpenSesame Embedded Catalog OpenSesame CourseCloudTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
14 days ago - at 09/21/2026 10:30PM
All services are now restored.
We appreciate your patience during this time. Please reach out to our support team with any questions or concerns.
MONITORING
14 days ago - at 09/21/2026 10:19PM
All services are now restored. We will continue monitoring to ensure no issues remain.
We appreciate your patience during this time. Please reach out to our support team with any questions or concerns.
IDENTIFIED
14 days ago - at 09/21/2026 10:05PM
We have identified the issue with our course marketplace, player, and related services. Our engineering team is actively working to resolve this issue.
We appreciate your patience during this time. Please reach out to our support team with any questions or concerns.
INVESTIGATING
14 days ago - at 09/21/2026 09:47PM
We are investigating an issue with our course marketplace, player, and related services. Affected users may encounter inability to browse the marketplace, launch courses, and use related services. Our engineering team is actively working to resolve this issue.
We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
INVESTIGATING
14 days ago - at 09/21/2026 09:41PM
We are investigating an issue with our course marketplace, player, and related services. Affected users may encounter inability to browse the marketplace, launch courses, and use related services. Our engineering team is actively working to resolve this issue.
We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
INVESTIGATING
14 days ago - at 09/21/2026 09:37PM
We are investigating an issue with our course marketplace, player, and related services. Affected users may encounter inability to browse the marketplace, launch courses, and use related services. Our engineering team is actively working to resolve this issue.
We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
INVESTIGATING
14 days ago - at 09/21/2026 09:34PM
We are investigating an issue with our course marketplace, player, and related services. Affected users may encounter inability to browse the marketplace, launch courses, and use related services. Our engineering team is actively working to resolve this issue.
We apologize for any inconvenience. Please reach out to our support team with any questions or concerns.
Latest OpenSesame outages
Simon Authoring - unable to save course content - 12 days ago
Course Authoring: When adding a new language to a course, secondary languages are not being added to audio or video media. - 14 days ago
Simon "Generate Outline" process is failing for customers - about 2 months ago
Background tasks not working - 3 months ago
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