Incident History
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Tianjin Datacenter Issue - zscloud.net
Zscaler is currently investigating reports of an issue with its Tianjin datacenter. Customers may encounter intermittent disconnections, periods of slowness, or increased latency. If you’re currently experiencing any traffic impacting …
Cannot access dashboard set up as a home page
Jul 8, 11:00 UTC Resolved - We have found that the issues are related to the grafana.unifiedHomepage feature rollout active 16:50 UTC yesterday, to 10:20 UTC today. We have rolled …
CDG (Paris) on 2026-07-08
Jul 8, 08:00 UTC Completed - The scheduled maintenance has been completed. Jul 8, 00:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
[Scheduled] Cloud | São Paulo Maintenance
Type: Maintenance Duration: 4 hours Affected Components: São Paulo-2 Jul 6, 16:03:20 GMT+0 - Identified - During this maintenance window, our engineering team will perform an upgrade of the Managed …
TLL (Tallinn) on 2026-07-08
Jul 8, 07:00 UTC Completed - The scheduled maintenance has been completed. Jul 8, 02:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Elevated errors on Claude Sonnet 5
Jul 8, 06:40 UTC Resolved - This incident has been resolved. Jul 8, 06:26 UTC Investigating - We are currently investigating this issue.
Datacenter Expansion New Delhi (DEL1) - private.zscaler.com
As part of our regular expansion of capacity, we are adding ZPA Public Service Edge nodes to our new data center in New Delhi I (DEL1).These would be available anytime …
GRU (São Paulo) on 2026-07-08
THIS IS A SCHEDULED EVENT Jul 8, 05:00 - 09:00 UTC Jul 7, 16:26 UTC Update - We will be performing scheduled maintenance in GRU (São Paulo) datacenter on 2026-07-08 …
[ICM-5205] Planned Maintenance on the Imperva data center in Vienna, Austria
Jul 8, 04:54 UTC Completed - The scheduled maintenance has been completed. Jul 7, 22:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Network Performance Issues in London
Jul 8, 02:32 UTC Resolved - This incident has been resolved. Jul 8, 01:56 UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul 8, …
FRA (Frankfurt) on 2026-07-08
THIS IS A SCHEDULED EVENT Jul 8, 01:00 - 06:00 UTC Jul 6, 16:28 UTC Scheduled - We will be performing scheduled maintenance in FRA (Frankfurt) datacenter on 2026-07-08 between …
[ICM-5207] Planned Maintenance on the Imperva data center in Hong Kong
Jul 8, 00:14 UTC Completed - The scheduled maintenance has been completed. Jul 7, 16:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Changes in exclusion method for Zoom and Teams on iOS - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net
As a part of Zscaler’s continuous product improvement process, we are making a change to how the built-in exclusions for Zoom and Teams work on iOS. Today these exclusions are …
Satellite Connector agent image version code128code
Satellite Connector agent image version 1.2.8. For more information, see the change log and Running a Connector agent. Type: release_note Regions: global Resources: satellite Type: release_note Update Time: Wed Jul …
Scheduled Maintenance: Experience Center - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zdxcloud.net, zpatwo.net
Zscaler will perform scheduled maintenance for Experience Center on Jul 18, 2026, 1:00 AM to 3:00 AM UTC. During this maintenance window, the service is expected to remain available; however, …
Elevated errors for some models
Jul 7, 23:46 UTC Resolved - This issue has been resolved. Jul 7, 23:19 UTC Monitoring - We are continuing to monitor issues affecting requests to some models, and have …
Scheduled Maintenance - VZEN nodes - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler will be performing a maintenance on the VZEN nodes in zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net Cloud. The maintenance will happen across VZEN nodes during the window, beginning at 04:00 …
Sydney III Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net, zscalertwo.net, zscloud.net
Zscaler will be enabling IPv6 at our Sydney III SYD3) Data Center. During the maintenance window the services through SYD3 Data Center will be restarted in phases to minimize the …
Intermittent Bitbucket Data Center VCS Triggered Terraform run Failures
Status: ResolvedOur Engineering team has resolved the issue. These systems should now be operating normally. If you continue to experience any problems, please open a ticket with our support team.
Dubai I Datacenter Scheduled Maintenance - Service Expansion - zscaler.net
Zscaler will be expanding its global data center footprint and performing maintenance at our Dubai I (DXB1) data center. We expect minimal to no impact to services during the maintenance …
[Scheduled] Cloud | Tokyo Maintenance
Type: Maintenance Duration: 4 hours Affected Components: Tokyo, Tokyo, Tokyo Jun 30, 15:25:58 GMT+0 - Identified - During this time period, our engineering team will be performing maintenance on our …
Possible errors in our Kolkata (CCU) POP
Engineering has confirmed that the Kolkata (CCU) Point of Presence has been fully restored. Customers may have experienced intermittent latency and errors from 15:55 to 16:08 UTC. This incident is …
Cloudflare Registrar operations issues
Jul 7, 17:49 UTC Resolved - This incident has been resolved. Jul 7, 15:41 UTC Investigating - Cloudflare is aware of and investigating an issue with Cloudflare Registrar that may …
UPDATE: Looker Original instance unavailability in GCP us-west1
Incident began at 2026-07-07 08:44 and ended at 2026-07-07 09:56 (all times are US/Pacific). Starting at 2026-07-07 08:44:54 PDT, some Looker Original customers began experiencing intermittent errors when accessing their …
RESOLVED: Looker Original instance unavailability in GCP us-west1
Incident began at 2026-07-07 08:44 and ended at 2026-07-07 09:56 (all times are US/Pacific). As of 2026-07-07 09:56 PDT, Looker Original customers are no longer experiencing intermittent errors when accessing …
Possible errors in our Kolkata (CCU) POP
Our engineers believe they have identified contributing factor causing the issue impacting the Kolkata (CCU) status page component. We are now developing a fix, and will post a new update once …
Actions and Codespaces APIs experiencing partial failures
Jul 7, 16:17 UTC Resolved - On July 7, 2026, between 14:01 UTC and 16:17 UTC the Actions and Codespaces REST APIs were degraded and returned intermittent 500-class errors for …
Possible errors in our Kolkata (CCU) POP
We are investigating reports of intermittent latency and errors impacting customers served through the Kolkata (CCU) Point of Presence.Traffic has been rerouted to nearby regions while our engineers investigate. Customers …
Elevated errors with image generation in ChatGPT
Status: ResolvedAll impacted services have now fully recovered.Affected components Image Generation (Operational)
Possible errors in our Kolkata (CCU) POP
Traffic in Kolkata (CCU) has been temporarily rerouted.All other locations and services are unaffected.
Claude Tag seeing elevated GitHub operation failures
Jul 7, 15:52 UTC Resolved - Our team is observing a lower error rate after these changes. We will continue investigating in-case we observe any spikes. Jul 7, 15:30 UTC …
api.openshift.com is down
Jul 7, 15:46 UTC Resolved - api.openshift.com issue is resolved and is now available. Jul 7, 15:21 UTC Update - api.openshift.com is degraded. We are investigating. Jul 7, 15:18 UTC …
Emerging Service Issue - Managed Databases - All Regions
Jul 7, 15:31 UTC Resolved - This incident has been resolved. Jul 6, 18:04 UTC Investigating - Our team is investigating an emerging service issue affecting Managed Databases across all …
NYC2 Network Maintenance
Jul 7, 15:30 UTC Completed - The scheduled maintenance has been completed. Jul 7, 10:30 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Incoherent number of processed logs
Jul 7, 14:36 UTC Resolved - Between July 6th 20:25 UTC and July 7th 12:25 UTC, a wrong configuration change was deployed causing over-sampling of logs, spans and metrics.The configuration …
DNS Zone Transfer Issues
Jul 7, 14:00 UTC Resolved - Secondary DNS zone transfers (AXFR/IXFR) using legacy IP addresses may have experienced intermittent failures between 14:50 and 16:10 UTC. The underlying issue has been …
Issue accessing the Test Cycle edit view
Jul 7, 13:53 UTC Resolved - Our team has since implemented a fix, and the issue has been resolved. Test Cycle edit view access is now functioning normally for all …
Delayed usage and billing data
Jul 7, 13:44 UTC Resolved - We identified an issue with the internal job that calculates month-to-date usage and cost data, which caused usage attribution and billing dashboards to display …
New members invitations to accounts not being sent
Jul 7, 13:28 UTC Resolved - This incident has been resolved. Jul 7, 11:49 UTC Monitoring - A fix has been implemented and we are monitoring the results. Jul 7, …
Intermittent Failures Affecting Mobile Admin Public API Requests - zscaler.net
Zscaler is investigating an issue causing intermittent failures for the Mobile Admin Public API service on zscaler.net. Some customers may experience failures when accessing the Mobile Admin public API.We will …
VIE (Vienna) on 2026-07-07
Jul 7, 13:00 UTC Completed - The scheduled maintenance has been completed. Jul 7, 03:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Resolved Service Disruption
The OK11 core services for customers that use custom domains have been restored. We will continue to monitor the situation and provide an RCA within 7 business days.
Urgent Scheduled Maintenance Notification for F5 Distributed Cloud Regional Edge Globally – Impact: No Impact
Jul 7, 08:00 UTC Completed - The scheduled maintenance has been completed. Jul 7, 06:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
CDG (Paris) on 2026-07-07
Jul 7, 08:00 UTC Completed - The scheduled maintenance has been completed. Jul 7, 00:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Elevated errors on Claude Sonnet 5
Jul 7, 07:37 UTC Resolved - This incident has been resolved. Jul 7, 06:58 UTC Investigating - We are currently investigating this issue.
Dubai II Data Center Issue - zscloud.net
Zscaler investigated an issue with its Dubai II data center on zscloud.net. If you’re currently experiencing any traffic impacting issues please failover to your secondary DC or any other alternate …
DE items ingestion delayed
Jul 7, 00:55 UTC Resolved - The backlgo has been consumed and ingestion and alerting has returned to normal operation Jul 6, 23:55 UTC Update - We're continuing to burn …
Durable Objects Increased Error Rate in ENAM
Jul 7, 00:42 UTC Resolved - This incident has been resolved. Jul 6, 23:41 UTC Monitoring - A fix has been implemented and we are currently monitoring the results. Jul …
[Scheduled] Hosting | New York Maintenance
Type: Maintenance Duration: 2 days Affected Components: New York (NY2) Jul 7, 00:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 9, 00:00:00 GMT+0 - Completed - Maintenance …
New codedeletionthresholddayscode option for retention policies and retention runs
New --deletion-threshold-days option for retention policies and retention runs You can now set a minimum age threshold for image deletion when you run a retention policy or a one-off retention …