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San Francisco IV (SJC4) Datacenter Network Maintenance - zscalertwo.net, zscalerthree.net

Major Impact Investigating Ongoing March 23, 2026

Incident Lifecycle

Investigating

Incident Timeline

Investigating
Zscaler will be performing hardware maintenance in San Francisco IV (SJC4) Datacenter.Maintenance window:   Start:  2026-03-25 03:30 UTC   End:    2026-03-25 06:30 UTC   (Local Time 2026-03-24 20:30 - 2026-03-24 23:30)Update - Wed, 25 Mar 2026 04:00:53 UTCThis activity has been completed. Please contact Zscaler Support if you have additional questions.
Mar 23, 2026 at 2:01 AM UTC
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