Zurich I Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net

Major Impact Investigating Ongoing March 30, 2026

Incident Lifecycle

Investigating

Incident Timeline

Investigating
Zscaler will be enabling IPv6 at our Zurich I (ZRH1) Data Center.  During the maintenance window the services through ZRH1 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 1, 1:30 pm PDT (April 1, 20:30 UTC)End time is April 1, 5:30 pm PDT (April 2, 0:30 UTC)Update 3/31: Maintenance postponed
Mar 30, 2026 at 9:54 PM UTC
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