Outage report · Partial outage

Trello outage on May 5, 2025

Trello is slow or unavailable for some users

SeverityPartial outage

StartedMay 5, 2025, 15:08UTC

ResolvedMay 5, 2025, 17:37UTC

Duration2h 29m

What happened

Trello reported a partial outage starting May 5, 2025, 15:08 UTC, affecting Trello.com. It was marked resolved at May 5, 2025, 17:37 UTC.

The incident lasted 2h 29m from first report to resolution.
It was the 3rd longest of 9 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 5, 2025, between 2:08 p.m. and 4:29 p.m. UTC, some Atlassian customers using Trello were unable to view their boards or cards. The event was triggered by an unexpected error encountered by our infrastructure management tools, which resulted in an incorrect DNS configuration being deployed to a portion of our database. The incident was detected within four minutes by automated monitoring systems and mitigated by identifying the faulty portion of the database and performing a failover, which put Atlassian systems into a known good state. The total time to resolution was about two hours and 21 minutes. ### **IMPACT** The overall impact was on the Trello product on May 5, 2025, between 2:08 p.m. and 4:29 p.m. UTC. The incident caused service disruption to Trello customers whose accounts and boards contained or referenced data on the affected shard of our database. Additionally, some Trello customers would have experienced a service disruption due to our use of loa

Read Trello's official incident report ↗