Outage in Heroku

Investigating an issue with one-off dynos in Cedar Private Spaces

Resolved Minor
May 08, 2025 - Started 2 days ago - Lasted about 18 hours
Official incident page

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Outage Details

Engineers have identified an issue with an upstream provider starting around 16:00 PM UTC on May 6, 2025 UTC. This issue impacts provisioning of one-off dynos in Cedar Private Spaces. Customers may see failed one-off dyno provisioning, H99 errors, or 128 status codes related to this issue. While the issue is improving, our engineers are working with the service provider to expedite a full resolution.
Components affected
Heroku Apps
Latest Updates ( sorted recent to last )
INVESTIGATING 1 day ago - at 05/08/2025 02:46PM

Engineers have identified an issue with an upstream provider starting around 16:00 PM UTC on May 6, 2025 UTC. This issue impacts provisioning of one-off dynos in Cedar Private Spaces. Customers may see failed one-off dyno provisioning, H99 errors, or 128 status codes related to this issue. While the issue is improving, our engineers are working with the service provider to expedite a full resolution.

INVESTIGATING 2 days ago - at 05/08/2025 12:20AM

Engineers are investigating an issue that may affect provisioning one-off dynos in Cedar Private Spaces. As a temporary workaround, re-run failed jobs or use the "heroku run" command to provision a new one-off dyno.

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