Outage report · Major outage

Box outage on May 7, 2026

[Critical] Issues with Multiple Box Services

SeverityMajor outage

StartedMay 7, 2026, 01:20UTC

ResolvedMay 7, 2026, 03:07UTC

Duration1h 47m

What happened

Box reported a major outage starting May 7, 2026, 01:20 UTC, affecting Box Shield (Auto Classification), Box Hubs, Box AI. It was marked resolved at May 7, 2026, 03:07 UTC.

The incident lasted 1h 47m from first report to resolution.
Box had reported 10 other partial or major outages in the 90 days before it.
5 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Box

We recently addressed issues affecting folder and collection browsing, and related APIs. We would like to take the opportunity to further explain these issues and the steps we have taken to keep them from happening in the future. Between 05:22 PM PDT and 07:04 PM PDT on May 6, 2026, some users may have experienced difficulties while working in Box. During this time, users reported failures and elevated errors when loading folders and collections, intermittent service errors, and degraded AI-related functionality. The issue was caused by runtime saturation in a backend API service that had been gradually approaching its capacity limits over several weeks. During peak traffic hours, multiple service instances simultaneously became unable to respond to internal health checks within the configured timeout. As those instances were restarted, traffic shifted to the remaining instances, increasing load on them and creating a cascading failure. We mitigated the issue by stopping the restart

Read Box's official incident report ↗