Outage report · Partial outage
Upsun (Platform.sh) outage on Aug 26, 2026
Outage on uk-1.platform.sh
What happened
Upsun (Platform.sh) reported a partial outage starting Aug 26, 2026, 14:24 UTC. It was marked resolved at Aug 27, 2026, 00:55 UTC.
- The incident lasted 10h 31m from first report to resolution.
- Upsun (Platform.sh) had reported no other partial or major outages in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Upsun (Platform.sh)
Status: Resolved Regions: United Kingdom (uk-1) (uk-1.platform.sh) Components: Grid Hosting Started: Wed, 26 Aug 2026 14:24:51 GMT Closed: Thu, 27 Aug 2026 00:55:39 GMT Updates: Thu, 27 Aug 2026 00:55:39 GMT: This incident has been resolved. (resolved) Wed, 26 Aug 2026 14:53:39 GMT: A firewall rule intended for internal hosts was erroneously applied to the gateways in the uk-1 region. We've reverted this and hosts in the region are available again. (monitoring) Wed, 26 Aug 2026 14:24:51 GMT: We have detected an issue affecting service on the uk-1.platform.sh region. We are currently working to restore service. This issue affects multiple production sites as well as development environments. Access to your site may be affected. This outage does not affect Dedicated Enterprise Clusters. For the latest updates, follow this incident on our status page. (investigating)
What our independent monitoring saw
Our independent monitoring of Upsun (Platform.sh) started after this incident, so this report is based on Upsun (Platform.sh)'s status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Upsun (Platform.sh)'s overall reliability
Upsun (Platform.sh) has a reliability score of 33.1/100, with 95.58% effective uptime and 7 incidents over the last 90 days.
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