Outage report · Major outage

Trello outage on May 14, 2026

Users experiencing issues accessing multiple Atlassian products

SeverityMajor outage
StartedMay 14, 2026, 05:24UTC
ResolvedMay 14, 2026, 06:48UTC
Duration1h 24m

What happened

Trello reported a major outage starting May 14, 2026, 05:24 UTC, affecting Trello.com, API, Atlassian Support - Support Portal, Atlassian Support Ticketing, Atlassian Support Knowledge Base. It was marked resolved at May 14, 2026, 06:48 UTC.

  • The incident lasted 1h 24m from first report to resolution.
  • It was the 2nd longest of 4 significant outages Trello reported in the 12 months up to it.
  • Trello had reported 1 other partial or major outage in the 90 days before it.
  • 3 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Trello

### Summary On May 14, 2026, between 04:30 and 05:26 UTC, Atlassian customers experienced widespread service disruption across multiple Atlassian Cloud products. The issue was caused by a race condition in our internal deployment orchestration platform during a routine rollback operation of a core identity service in the us-east region. This race condition resulted in insufficient capacity for the identity service in the affected region which started returning errors to dependent products. The incident was detected within a minute by automated monitoring systems and mitigated in 56 minutes. ### **IMPACT** During the incident, customers attempting to access Atlassian Cloud products in the us-east region experienced authentication and permission failures and were unable to access services. Customers also experienced errors when accessing the support portal until Atlassian fell back to an alternate support method. This was caused by a core identity service in the us-east region becomin

Read Trello's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Trello started after this incident, so this report is based on Trello's status page.

Other outages around the same time

Significant incidents other vendors reported within 12 hours of this one.

Trello's overall reliability

100.0/100

Trello has a reliability score of 100.0/100, with 100% effective uptime and 0 incidents over the last 90 days.

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