Hetzner incident

UPS function tests in HEL1-DC9

Resolved after 23 hours 34 minutes, affecting HEL1 (HEL1-DC9), on May 19, 2026.

identified May 20, 2026, 06:11 AM UTC

We will do routine function tests on our UPS systems. Due to the redundant design of our power supply systems, we do not expect any issues.

Started
May 19, 2026, 08:29 AM UTC
Resolved
May 20, 2026, 08:03 AM UTC
Duration
23h 34m
Detected by Pingoru
May 19, 2026, 08:29 AM UTC

Affected components

HEL1 (HEL1-DC9)

Update timeline

  1. scheduled May 19, 2026, 08:29 AM UTC

    We will do routine function tests on our UPS systems. Due to the redundant design of our power supply systems, we do not expect any issues.

  2. identified May 20, 2026, 06:11 AM UTC

    We will do routine function tests on our UPS systems. Due to the redundant design of our power supply systems, we do not expect any issues.

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