Outage in LMAX

Prematurely closed UAT Maintenance

Resolved Major

May 14, 2026 - Started 4 days ago - Lasted about 2 hours
Official incident page

Incident Report

We apologise for the downtime. The cause is unexpectedly prolonged maintenance that involved patching the underlying servers against some of the recent serious vulnerabilities. While we have been solving hiccups and gremlins we discovered during the patching, unfortunately the pre-set maintenance template resolved it automatically. Please accept our apologies. ETA: 1h.

Components affected

LMAX Exchange UAT

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Latest Updates ( sorted recent to last )

RESOLVED 4 days ago - at 05/14/2026 03:11PM

The extended UAT maintenance has been completed successfuly. We have released a new version of the software and conducted other urgent maintenance.

Please accept our sincere apologies for the delay.

IDENTIFIED 4 days ago - at 05/14/2026 01:14PM

We apologise for the downtime. The cause is unexpectedly prolonged maintenance that involved patching the underlying servers against some of the recent serious vulnerabilities.

While we have been solving hiccups and gremlins we discovered during the patching, unfortunately the pre-set maintenance template resolved it automatically.

Please accept our apologies.

ETA: 1h.

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