Outage report · Partial outage

Proton Drive outage on Sep 1, 2026

Service disruption

SeverityPartial outage

StartedSep 1, 2026, 14:42UTC

ResolvedSep 1, 2026, 18:49UTC

Duration4h 8m

What happened

Proton Drive reported a partial outage starting Sep 1, 2026, 14:42 UTC, affecting Web Application, Free servers, Mobile Apps, Web Application, Mobile Apps, Web Application, Incoming Mail, Regular Servers and 18 more. It was marked resolved at Sep 1, 2026, 18:49 UTC.

The incident lasted 4h 8m from first report to resolution.
It was the 2nd longest of 4 significant outages Proton Drive reported in the 12 months up to it.
Proton Drive had reported 2 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 Proton Drive

UPDATE: The incident recovery caused some push notifications related to suspicious login activity to be delivered several hours later than expected. The delay affected only the delivery of these notifications and was related to the service disruption experienced earlier today. The delayed notifications have now been processed, and the system has returned to normal operation. We apologize for any confusion this may have caused. --- Earlier today, a subset of Proton users experienced intermittent service disruptions. The incident began during exceptional database maintenance following last week's datacenter overheating incident. The maintenance had been tested and was expected to cause only a brief disruption. However, the switchover exposed additional instability under high load, and this forced us to remove some additional infrastructure from service and operate at reduced capacity for a time. We have now stabilized all Proton services and all are currently operational. No user da

Read Proton Drive's official incident report ↗