London V Datacenter Scheduled Maintenance - IPv6 Enablement - zscalertwo.net

Major Impact Investigating Ongoing April 7, 2026

Incident Lifecycle

Investigating

Incident Timeline

Investigating
Zscaler will be enabling IPv6 at our London V (LON5) Data Center.  During the maintenance window the services through LON5 Data Center will be restarted in phases to minimize the service impact.Other Zscaler sites and Zscaler Services will continue to operate normally.Maintenance Window:Start time is April 10, 2:00 pm PDT (April 10, 21:00 UTC)End time is April 10, 6:00 pm PDT (April 11, 1:00 UTC)Update 4/8: Maintenance Window Updated 
Apr 7, 2026 at 8:53 PM UTC
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