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Status notice: 10 October 2025 – 11:30 am
On 9 October 2025 at around 7:42 pm, following maintenance work at the Hallstadt data centre, a fault occurred in the main low-voltage distribution board and the associated UPS system. This subsequently caused a fire, in which nobody was injured. You can find the official press release here (in German).
Were customer systems affected by the incident?
No. Thanks to multiply redundant infrastructure at the Hallstadt data centre, all services remained available without interruption throughout the entire incident. Customer systems were not impaired at any time, and normal operations were maintained throughout.
Impact
- No impairment of ongoing operations or customer systems at any time
- Normal operations were maintained throughout
Sequence of events
An employee on site noticed the fire immediately, activated the alarm systems at once and alerted the fire brigade. The fire brigade arrived very quickly and was able to contain the fire swiftly by means of CO₂ flooding. Thanks to our multiply redundant infrastructure and the quick response of our technical team, all services remained available without interruption.
Customers were informed about the incident by email as early as around 9:00 pm.
Cause
The root cause analysis revealed that the fault was due to human error in connection with maintenance work.
Measures
To further increase operational safety, we have introduced additional control mechanisms and quality assurance processes for maintenance work. These include extended four-eyes checks, mandatory checklists before equipment is put back into operation and additional training.
Next steps
We are continuing to examine the incident carefully and will inform you immediately as soon as new findings become available.
Our team is available at any time to answer your questions – by email to info@centron.de.
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