Outage report · Partial outage
Alibaba Cloud outage on Apr 21, 2026
Partial Cloud Service Disruption in Korea (Seoul) Zone B
What happened
Alibaba Cloud reported a partial outage starting Apr 21, 2026, 12:06 UTC. It was marked resolved at Apr 21, 2026, 22:25 UTC.
- The incident lasted 10h 19m from first report to resolution.
- Alibaba Cloud had reported no other partial or major outages in the 90 days before it.
- 7 other vendors we track reported a significant incident within 12 hours of it.
What our independent monitoring saw
Our independent monitoring of Alibaba Cloud started after this incident, so this report is based on Alibaba Cloud's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Alibaba Cloud's overall reliability
Alibaba Cloud has a reliability score of 100.0/100, with 100% effective uptime and 0 incidents over the last 90 days.
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