London III (LON3) Datacenter Network Maintenance - zscaler.net
Incident Lifecycle
Incident Timeline
Investigating
Zscaler will be performing hardware maintenance in the London III (LON3) Datacenter.Maintenance window,Start: 2026-05-12 20:30 BSTEnd: 2026-05-12 23:30 BST(i.e. 2026-05-12 19:30 - 22:30 UTC)During the maintenance, traffic will failover to redundant devices in the same datacenter. However, intermittent connections and connection reestablishment may be observed.
May 8, 2026 at 10:46 PM UTC
Was your business affected by this Zscaler outage?
Set up instant alerts for Zscaler, be the first to know about outages via email, Slack, Teams, or Discord.