Udemy の障害履歴

Our site is experiencing an issue with purchasing courses and subscriptions - We're looking into this, and we'll report back as more information becomes available.

We have resolved the issue on our site, and performance is back to normal. We appreciate your patience.

We are currently investigating this issue.

A fix has been implemented and we are monitoring the results.

This incident has been resolved.

We are currently investigating an issue that may affect some logged-in users. Our engineering team is actively working to resolve it. We will provide updates as more information becomes available.

The issue has been identified and a fix is being implemented.

We are currently experiencing service disruptions due to a third-party infrastructure issue. Some users may experience degraded performance or intermittent errors. Current status: We have identified the root cause and are working with our infrastructure provider to restore full service. We are seeing signs of recovery and expect continued improvement. We apologize for the inconvenience and will provide updates as the situation progresses.

Service disruption. We are currently stable but still open to impact from the AWS issues. AWS is currently trying to restore a cooling system that caused an overheating event within the datacenter. Next schedule update is around 10pm PT. You may see errors when trying to sign in or watch content. It's still ongoing, we will share more updates as they come in. Thank you for your patience.

Amazon is starting to recover according to the latest updates, but we are seeing some elevated errors again. We are continuing to monitor.

We are seeing recovery in all impacted areas of our site. We are continuing to monitor for any further issues.

We are continuing to monitor for any further issues.

The issue caused by a third-party infrastructure problem has been resolved. Systems are now back to normal, and services are running as expected. We’ll keep monitoring closely, but things are looking good on our side.

Our site is experiencing a stability issue - We're looking into this, and we'll report back as more information becomes available.

A fix has been implemented and we are monitoring the results.

We are continuing to monitor for any further issues.

This incident has been resolved.

Our site is experiencing a stability issue - We're looking into this, and we'll report back as more information becomes available.

We are continuing to investigate this issue.

We are seeing signs of recovery following earlier performance degradation across the platform. Users should experience improved load times, and services are stabilizing. Our engineering team continues to monitor closely to ensure full resolution. We will provide another update once monitoring is complete or if any changes occur.

This incident has been resolved. Performance has returned to normal across the platform. Our engineering team has confirmed stability and will continue to monitor as a precaution. Thank you for your patience while we worked to address this.

We’re currently investigating an issue where some users see a blank area instead of the video player when trying to watch Udemy courses in a web browser. Our engineering team is working to identify the cause and restore normal video playback. Workaround: Some users may be able to access and watch their courses by: – Using the Udemy mobile app (iOS or Android), or – Trying a different browser or device. We’ll share another update here as soon as we have more information.

Fix deployed for blank video player issue We’ve deployed a change intended to fix the issue where some users saw a blank area instead of the course video player when watching Udemy courses in a web browser. Initial checks indicate that video playback is working as expected again, but we are continuing to monitor error rates and user feedback to ensure the issue is fully resolved. If you still see a blank area instead of the video player, please refresh your browser. If the issue persists, contact Udemy Support so we can investigate further.

Our engineering team has implemented a fix, and course access is now functioning as expected.

Our Udemy.com site is experiencing a stability issue - We're looking into this, and we'll report back as more information becomes available.

This incident has been resolved.

We are currently investigating an issue where some learners may be receiving an usually high number of email notification from the platform. Our engineering team is actively working to identify the root cause and mitigate the impact. We understand this may be disruptive and appreciate your patience while we resolve the issue.

A fix has been implemented and we are monitoring the results.

This incident has been resolved.

Our site is experiencing a stability issue. Symptoms are blank pages and slowness on the site. We're looking into this, and we'll report back as more information becomes available.

Current Status: Recovery in Progress We’re starting to see positive signs of recovery on the site. Our engineering team will continue monitoring to ensure full restoration. Thank you for your continued patience.

We have resolved the stability issue on our site, and performance is back to normal. We appreciate your patience.

Non-cached course landing pages may fail to load for users, resulting in errors when accessing course content.

We are continuing to work on a fix for this issue.

Some course pages may not load and instead show an error, preventing learners from accessing the course content.

A fix has been implemented and we are monitoring the results.

This incident has been resolved.

We are investigating an issue where learner course progress appears as less than 100% in reports and dashboards, despite the fact that they have already received completion certificates. Our engineering team is currently working to resolve it.

The issue has been identified and a fix is being implemented.

A fix has been implemented and we are monitoring the results.

We’re seeing gradual recovery in the course completion ratio. We will continue to monitor the results.

This incident has been resolved.

We are investigating an issue where some learners are unable to complete coding exercises. After running or modifying the base code and clicking Run tests, the execution hangs for 1–2 minutes and then returns the error message “Something is wrong in our systems.”

The issue has been identified and a fix is being implemented.

This incident has been resolved.

We are currently investigating an issue affecting Single Sign-On (SSO) for some users following a recent authentication service migration. At this time, most existing users can log in via SSO but may have experienced failures earlier. New users attempting to sign up via SSO are still impacted. They may see a generic error message or be redirected back to the login page after attempting SSO. We will provide updates here as we make progress. As a temporary workaround, where available in your organization, users may log in using a non‑SSO method (e.g., email and password) while we complete our SSO remediation.

SSO login has been restored. We are now focused on a remaining issue where some users cannot authenticate to the Udemy Business MCP Server for AI tool integrations. Our team is investigating and deploying fixes.

All SSO login/sign-up issues and Udemy Business MCP authentication issues have been resolved. Both standard SSO access and MCP-based AI tool integrations are now working normally.

We are aware of an issue with the Course Progress where lectures are not being marked as complete. Our team is actively investigating and working to restore normal performance as quickly as possible. Further updates will be posted here.

The course-taking feature on our site is currently experiencing stability issues - our engineering team is currently working to resolve it. This impacts both Udemy Business and Udemy.com. Symptoms are lectures are not able to be marked as complete, even after watching the content fully.

[Update] - Course completion seems to be fixed for new lectures consumed. Our engineering teams are now working on backfilling the data for the impacted interval. We truly appreciate your patience and understanding.

We have resolved the issue with the Course completion feature on our site, but some users who watched the full course content during the incident may still see the lectures not being marked as completed. We appreciate your patience. [Action needed] Udemy is working to fix this issue automatically as part of the cleanup tasks from this incident, but it may take more time. If you urgently need this to be resolved, please contact support who can support you further.

The Labs feature on our UB site is currently experiencing stability issues - our engineering team is currently working to resolve it.

[Monitoring] Stability Issues: Jupyter Notebook Lab Our investigation confirmed that stability issues were isolated to Jupyter Notebook Labs. The root cause has been addressed, and we are now in a monitoring phase while the system returns to normal operating parameters.

Resolved: Stability Issues - Jupyter Notebook Labs Status Update Message Resolved - The stability issues affecting Jupyter Notebook Labs have been fully resolved. After a period of monitoring, we have confirmed that the system is stable and operating at normal parameters. We apologize for any disruption this may have caused.

We are aware of an issue causing slow loading times across parts of our site. We are still investigating the full impact, but at this time we know that performance is degraded for some users. Our team is actively investigating and working to restore normal performance as quickly as possible. Further updates will be posted here.

Our engineering team has reverted the recent change that caused course landing pages to fail to load for all users. Course landing pages are now loading again and overall site performance is improving. We are continuing to monitor closely to ensure everything remains stable. We’ll post a final update once performance is fully confirmed as normal.

We’ve resolved the issue that prevented course landing pages from loading for Market Place and Personal Plan Grow with Google subscribers. Course landing pages are now loading normally again. We understand this disruption may have impacted your learning plans, and we’re sorry for the inconvenience this caused. This incident did not impact Udemy Business users.

We are currently experiencing a stability issue with the 'Contact Us' button in the Help Center on the Udemy.com website. Our engineering team is actively working to resolve the problem as quickly as possible. In the meantime, please use https://business-support.udemy.com/hc/en-us/requests/new to reach out to support.

The issue has been identified and a fix is being implemented.

A fix has been implemented and we are monitoring the results.

This incident has been resolved.

Our site is experiencing a stability issue - We're looking into this, and we'll report back as more information becomes available.

Service disruption. This issue began at 8:49 UTC. Our partner Cloudflare is experiencing a problem that affects logins to Udemy and Udemy Business, password resets, and video playback. You may see errors when trying to sign in or watch content. It's still ongoing; we will share more updates as they come in. Thank you for your patience.

The Cloudflare-related impact has been resolved. All systems are functioning as expected, and the incident is now cleared.

The Udemy Business invitation workflow on our site is currently experiencing issues. Users may see the “All licenses have been allocated” error message upon trying to accept their invitations to create accounts while their organization still has available licenses. Our engineering team is working to resolve it. Thank you for your patience.

We have resolved the stability issue on our site, and performance is back to normal. We appreciate your patience.

The payment for the Team Plan feature on our site is currently experiencing stability issues - our engineering team is working to resolve it. This may impact Udemy Business. Symptoms are duplicate charges and no product access on the site.

The payment functionality for the Team Plan feature was experiencing stability issues, but our engineering team has applied a fix and is currently monitoring the results. This may have impacted Udemy Business, with symptoms such as duplicate charges or no product access on the site.

The stability issues affecting the Team Plan payment feature have been fully addressed. Our engineering team has confirmed the fix, and functionality is now operating as expected. This incident may have impacted Team Plan Udemy Business users with duplicate charges or missing product access, but these issues should now be resolved. We will continue to monitor to ensure everything remains stable.