Pantheon Incident History

We observed intermittent 401 response codes affecting Front-End Sites between 15:50 and 15:57 UTC. The issue has been identified, and a fix has been implemented. We are now monitoring for continued stability.Drupal and WordPress back-end functionality remains unaffected. If you have any questions or need assistance, please contact Pantheon Support.

We're currently investigating an issue causing degraded performance in workflow execution. Affected customers may experience delays, timeouts, or workflow failures. Our engineering team is actively working to determine the root cause and restore full functionality. We will share updates as soon as more information becomes available.

We are currently investigating an issue affecting non-Live environments on some sites. Users may see 504 “Database not responding” errors or encounter workflow failures involving database access.Live environments on paid sites are not impacted.Our team is actively working to resolve this as a top priority. We will provide updates as more information becomes available.

Between 12:00 and 13:00 UTC the Pantheon Dashboard saw a partial outage, particularly on Workspaces. This incident did not have any impact on site availability. The issue has since been corrected and the root cause is identified and fixed.

In order to improve the customer experience and keep our systems updated with the latest scalable technologies, Pantheon will be performing scheduled maintenance on Tuesday, April 8, 2025. During this maintenance window, there will be a temporary interruption of Dashboard and Terminus operations. Workflows that run within the Dashboard or via the Terminus command line may fail to execute. These workflows include the creation of new multidev environments, site creation, backup, or restore operations, code pushes, and scripts run by Quicksilver. We recommend you avoid starting workflows during the maintenance window. We apologize for any inconvenience this may cause and assure you that our team will work diligently to minimize any disruption. We do not anticipate any impact to your site(s) uptime during this maintenance window. We understand the importance of our services to your business, and we assure you that our team will complete the maintenance as quickly as possible. We will also keep you informed of any updates or changes during the maintenance process. Should you have any questions or concerns, please reach out to our customer support team via chat or email us at Pantheon Helpdesk.

Scheduled maintenance is currently in progress. We will provide updates as necessary.

We're currently investigating an issue affecting the loading of workspace dashboards. Individual site dashboards remain accessible, and there is no impact to live site availability. If you're experiencing an urgent issue, please contact support.

Pantheon has identified an issue that is causing intermittent unavailability for non-Live environments, including Dev, Test, and Multidev. The current symptoms are a 504 response when trying to access the environment, inability to connect via Terminus or SFTP, and failed workflows related to that environment.There is no impact to Live sites at this time. If you require immediate assistance, please reach out to support.