LMAX experienced a major incident on May 14, 2026 affecting LMAX Exchange UAT, lasting 1h 57m. The incident has been resolved; the full update timeline is below.
Affected components
LMAX Exchange UAT
Update timeline
- identified May 14, 2026, 01:14 PM UTC
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.
- resolved May 14, 2026, 03:11 PM UTC
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.