Incident History
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Showing 5401-5450 of 10488 incidents
WSA reporting incomplete or missing data when filtering by TLS v3 Fingerprint
Apr 28, 17:39 UTC Resolved - We can confirm that the issue was mitigated at 10:45 UTC on April 28, 2026 and the service has resumed normal operation. Customers and …
Disruption with some GitHub services
Apr 28, 17:09 UTC Resolved - On April 28, 2026, from approximately 12:41 UTC to 17:09 UTC, GitHub Actions jobs using Standard Ubuntu 22 and Ubuntu 24 hosted runners experienced …
Delay in Traffic by Hostname reports
Apr 28, 17:02 UTC Resolved - We can confirm that the issue was mitigated at 13:30 UTC on April 28, 2026 and the service has resumed normal operation. Customers and …
Errors Deploying Templates
Apr 28, 16:53 UTC Resolved - This incident has been resolved. Apr 28, 16:44 UTC Monitoring - A fix has been implemented and we are monitoring the results. Apr 28, …
Elevated error rates in Sora API for some users
Status: ResolvedAll impacted services have now fully recovered.Affected components Sora (Operational)
KIX (Osaka) on 2026-04-28
THIS IS A SCHEDULED EVENT Apr 28, 16:00 - 22:00 UTCApr 16, 07:14 UTCScheduled - We will be performing scheduled maintenance in KIX (Osaka) datacenter on 2026-04-28 between 16:00 and …
New Compliance Audit Reporting is now downloadable
On April 28, 2026, at 16:00 UTC, Fastly released an update to our Fastly Application introducing a compliance reporting download option providing seamless self-service options helping customers meet their audit …
Service Issue - Linode Kubernetes Engine (LKE)
Apr 28, 15:16 UTC Resolved - We haven’t observed any additional issues with the LKE and NodeBalancer services and will now consider this incident resolved. If you continue to experience …
Elevated errors on Claude Sonnet 4.5
Apr 28, 13:50 UTCResolved - The incident has now been resolved. The timeline for the elevated errors was 6:22 PT / 13:22 UTC -> 6:39 PT / 13:39 UTC.Apr 28, …
Seattle Datacenter Issue - zscaler.net
Zscaler has detected an issue with its Seattle datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover to your secondary DC or …
Elevated errors on Claude Haiku 4.5
Apr 28, 12:45 UTCResolved - The incident has now been resolved. The elevated error rate for Haiku 4.5 was between 4:53 PT / 11:53 UTC and 5:36 PT / 12:44 …
EOS Maintenance
Apr 28, 12:00 UTC Completed - The scheduled maintenance has been completed. Apr 28, 10:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
[Scheduled] Cloud | Sines-3 Maintenance
Type: Maintenance Duration: 2 hours Affected Components: Sines-3 Apr 28, 09:00:01 GMT+0 - Identified - Maintenance is now in progress Apr 28, 11:00:00 GMT+0 - Completed - Maintenance has completed …
[Scheduled] Cloud | Sines-2 Maintenance
Type: Maintenance Duration: 2 hours Affected Components: Sines-2 Apr 28, 09:00:01 GMT+0 - Identified - Maintenance is now in progress Apr 28, 11:00:00 GMT+0 - Completed - Maintenance has completed …
Delayed Usage Data for Observability Events
Apr 28, 09:00 UTC Resolved - We have identified an issue resulting in delayed and/or missing usage data for observability events between 9:00 - 10:30 UTC and 16:50 - 19:30 …
[Scheduled] Cloud | Helsinki Maintenance
Type: Maintenance Duration: 2 hours Affected Components: Helsinki, Helsinki, Helsinki Apr 28, 08:00:01 GMT+0 - Identified - Maintenance is now in progress Apr 28, 10:00:00 GMT+0 - Completed - Maintenance …
[Scheduled] Customer Portal and API | Luxembourg Maintenance
Type: Maintenance Duration: 1 hour Affected Components: Authorization, API, Customer Portal Apr 28, 08:00:01 GMT+0 - Identified - Maintenance is now in progress Apr 28, 09:00:00 GMT+0 - Completed - …
Beijing V Data Center Issue - zscalertwo.net, zscloud.net
Zscaler has detected an issue with its Beijing V data center and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover to your secondary …
Claude Code Code Review was intermittently failing
Apr 28, 06:00 UTCResolved - Claude Code Code Review intermittently wasn't starting sessions.
Issues downloading MP4 assets
Apr 28, 03:51 UTCResolved - This incident has been resolved.Apr 27, 21:01 UTCMonitoring - A fix has been implemented and we are monitoring the results.Apr 27, 20:19 UTCIdentified - Third …
Issues downloading MP4 assets
Apr 28, 03:51 UTC Resolved - This incident has been resolved. Apr 27, 21:01 UTC Monitoring - A fix has been implemented and we are monitoring the results. Apr 27, …
Datacenter Expansion Kuala Lampur II (KUL2) - private.zscaler.com, zpatwo.net
As part of our regular expansion of capacity, we are adding ZPA Public Service Edge nodes to our new data center in Kuala Lampur II (KUL2).These would be available anytime …
Application Load Balancer ALB for VPC ActivePassive pools support more than 2 pools
Application Load Balancer (ALB) for VPC Active-Passive pools support more than 2 pools Now ALBs for VPC can have one active pool and multiple backup pools. For more information, see …
RHEL 9 worker node support extended to version 421
RHEL 9 worker node support extended to version 4.21 Support for Red Hat Enterprise Linux (RHEL) 9 worker nodes on VPC clusters has been extended through version 4.21. Version 4.22 …
CLI version 10763 is available
CLI version 1.0.763 is available For more information, see the CLI change log. Istio add-on patch updates. For more information, see the change log. Type: release_note Regions: global Resources: containers-kubernetes …
InfluxDB Datasource - Intermittent Failures
Apr 27, 23:24 UTC Resolved - This incident has been resolved. Thank you for your patience. Apr 27, 23:13 UTC Monitoring - We’ve implemented a fix and are monitoring the …
GitHub search is degraded
Apr 27, 22:46 UTC Resolved - On April 27, 2026 between 16:15 UTC and 22:46 UTC, GitHub search services experienced degraded connectivity due to saturation of the load balancing tier …
npm Website is unavailable
Apr 27, 22:30 UTC Resolved - This incident has been resolved. Apr 27, 22:28 UTC Update - We are continuing to investigate this issue. Apr 27, 21:06 UTC Investigating - …
Unable to add Activation to Event Triggered Journey
Apr 27, 15:00 PDT Resolved - An issue impacting the Event Triggered Journey user interface in the application has been resolved. Prior to resolution, customers may have experienced an error …
Upcoming upgrade to a new Compiler platform
The scheduled maintenance has been completed.
Increase in Billing for Backup Usage
Apr 27, 20:50 UTC Resolved - We have resolved the issue that caused the overage and usages should be reflected correctly by April 28th. If you still see incorrect usages …
Some Projects Unreachable following Project Restart
Apr 27, 20:05 UTC Resolved - All projects are patched and this is now resolved. Thank you for your patience while we ensured all projects were updated. Apr 27, 17:31 …
Reminder Notification for Upcoming Data Center Expansions - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zpatwo.net
Dear Customer, In accordance with the Zscaler Service Continuity Policy and as previously announced via email notification and Trust on March 13, 2026, we would like to remind you of the upcoming data center expansions …
Some projects unavailable across multiple regions
Apr 27, 19:04 UTC Resolved - This incident has been resolved. Apr 27, 18:34 UTC Monitoring - We believe all users affected by this particular issue have been resolved. The …
Disruption with some GitHub services
Apr 27, 19:02 UTC Resolved - On April 22, 2026 from 18:49 to 19:32 UTC , the Copilot Cloud Agent service began failing during session execution for users running the …
Incident: Users May Not Receive Notifications on Slack Thread Replies
We’ve successfully performed a rollback in the production environment, and all systems are now functioning as expected. Users should no longer experience any issues with thread replies not generating a …
Audience Preview Failures
Apr 27, 10:00 PDT Resolved - Summary: From 10:20 AM to 3:00 PM PDT on April 27th, a global Databricks Compute outage resulted in failed audience preview queries across external …
KIX (Osaka) on 2026-04-27
THIS IS A SCHEDULED EVENT Apr 27, 16:00 - 22:00 UTCApr 16, 07:10 UTCScheduled - We will be performing scheduled maintenance in KIX (Osaka) datacenter on 2026-04-27 between 16:00 and …
Elevated billing related errors on Claude.ai
Apr 27, 15:18 UTCResolved - This incident has been resolved.Apr 27, 14:11 UTCInvestigating - We are currently investigating this issue.
Hybrid Cloud Console Inventory DB Maintenance 2026-04-27
Apr 27, 14:00 UTC Completed - The scheduled maintenance has been completed. Apr 27, 13:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Secure Internet Access Issues
Apr 27, 13:27 UTC Resolved - We can confirm that the issue was mitigated at 05:26 UTC on 27 April, 2026, and the service has resumed normal operation. Customers and …
Elevated Error Rates and Latency — EU West Region
Apr 27, 12:40 UTC Resolved - The connectivity issues affecting a subset of customers in our AWS EU West (Paris) region have been resolved. Failed probes recovered at 11:36 UTC …
Serverless Inference - Intermittent Rate Limiting Affecting Some Customers Using Anthropic Models
Apr 27, 11:37 UTC Resolved - The issue is resolved, and service is operating normally. Apr 27, 11:07 UTC Monitoring - We identified the cause of intermittent HTTP 429 responses …
[INC-1019] Imperva Management Portal Configuration Changes Issue
Apr 27, 11:31 UTCResolved - The incident has been resolved and normal service levels have been restored for propagation of changes in the Imperva Management Portal.The status updates are an …
Singapore IV Datacenter Issue - zscalertwo.net
Zscaler is currently investigating reports of an issue with its Singapore IV datacenter. A subset of customers may encounter disconnections, periods of slowness or increased latency. If you’re currently experiencing …
Cloud | Incheon Incident Details
Type: Incident Duration: 2 hours and 3 minutes Affected Components: Incheon, Incheon, Incheon Apr 27, 08:00:53 GMT+0 - Investigating - We are currently experiencing a partial outage in our Cloud …
[Scheduled] Cloud| Amsterdam Maintenance
Type: Maintenance Duration: 1 hour Affected Components: Amsterdam Apr 27, 06:00:00 GMT+0 - Identified - During this time period, our engineering team will be performing network node hardware upgrade on …
Release Upgrade for Zscaler Data Security Posture Management (DSPM) - app.eu.zsdpc.net
Zscaler Data Posture Control (DSPM) Operations team will be performing a planned upgrade activity on April 27th, 2026. These service updates are applied in regional off-peak hours and should not …
Red Hat OpenShift on IBM Cloud master fix packs
Red Hat OpenShift on IBM Cloud master fix packs. Master fix packs are applied automatically over the course of several days. You can choose to use the ibmcloud ks cluster …
IBM Cloud Kubernetes Service master fix packs
IBM Cloud Kubernetes Service master fix packs. Master fix packs are applied automatically over the course of several days. You can choose to use the ibmcloud ks cluster master update …