Maintenance
Zscaler maintenance
Public maintenance from vendor feeds, with related items from the same catalog.
Upcoming
Aug 18, 2026, 01:13 PM EDT
Zscaler will be enabling IPv6 at our San Francisco IV (SJC4) Data Center. During the maintenance window the services through SJC4 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 August 20, 5:00 pm PDT (August 21, 00:00 UTC)
End time is August 20, 11:00 pm PDT (August 21, 6:00 UTC)
Customer Impact: During the maintenance window the services through SJC4 Data Center will be restarted in phases to minimize the service impact.
Duration: 6h
Related maintenance
More recent public maintenance for Zscaler.
- Reminder Notification for Upcoming Data Center Expansions
- Reminder Notification for Additions to HUB IP Address Ranges - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zdxcloud.net
- Reminder Notification for Additions to HUB IP Address Ranges
- Datacenter Expansion San Francisco IV (SJC4) - private.zscaler.com
- Urgent Maintenance on Singapore IV, Singapore V datacenters - zscalertwo.net, zscalerthree.net