Incident History
Search and filter through 3616 incidents
Showing 1851-1900 of 3616 incidents
TLS Provisioning issues
Dec 24, 04:59 UTCResolved - We can confirm that the issue was mitigated at 16:55 UTC on December 22, 2025, and the service has resumed normal operation. Customers and partners …
Incident: Issue loading threads in Slack
Between 1:05 PM and 5:26 PM PST on December 23, 2025, some users may have encountered a "Something's fishy!" error when attempting to load message threads.We traced this to a …
Sydney IV Data Center Changing to Sydney V - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Dear Zscaler Customer,As per email notification sent on December 23, 2025, we wish to notify that due to internal operational requirements, Sydney IV data center is being renamed to Sydney V …
Upcoming New Cloud NSS Regions and Expansions - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net
Dear Zscaler Customer,In accordance with Zscaler Service Continuity Policy and per email notification sent on December 23, 2025, we would like to notify you of the upcoming new and expanded Cloud NSS regions as listed …
PDC Queries in Prod-Us-East-3 Are Failing
Dec 23, 21:59 UTCResolved - This incident has been resolved.Dec 23, 21:09 UTCMonitoring - A fix has been implemented and we are monitoring the results.Dec 23, 20:34 UTCIdentified - We …
Reminder Notification for Additions to Zscaler Aggregate & Hub IP Address Ranges - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zdxcloud.net
Dear Customer, In accordance with Zscaler Service Continuity Policy and as previously announced via Trust and email notification sent on November 6, 2025, we would like to remind you of the upcoming addition to Zscaler Aggregate …
Urgent Maintenance - Beijing, Beijing III (BJS3), Shanghai, Shanghai II (SHA2) Datacenters Maintenance - zscaler.net, zscalertwo.net
Zscaler will perform urgent maintenance at our Beijing, Beijing III (BJS3), Shanghai, Shanghai II (SHA2) Datacenters on the zscalertwo.net and zscaler.net clouds to support continued platform stability. This activity is …
Elevated Error Rates - Inbound/Outbound Calls (US-East)
Dec 23, 11:08 ESTResolved - Between 10:10 AM ET and 10:45 AM ET, some customers experienced issues with new inbound and outbound calls. During this 35-minute period, while existing calls …
Resolved Service Degradation
At 12/14/2025 3:00 AM PT, the Okta Engineering team became aware of an intermittent issue with email being sent through Custom Email Domains. This is affecting customers in US Cell …
Gcore System | Customer Portal Incident Details
Type: Incident Duration: 39 minutes Affected Components: Customer Portal Dec 23, 11:00:04 GMT+0 - Investigating - Our engineering team is currently performing a global switch of applications to new core …
Elevated error rates on Opus 4.5
Dec 23, 10:51 UTCResolved - This incident has been resolved.Dec 23, 09:55 UTCInvestigating - We are currently investigating this issue.
Incident with Issues and Pull Requests
Dec 23, 10:32 UTCResolved - On December 23, 2025, between 09:15 UTC and 10:32 UTC the Issues and Pull Requests search indexing service was degraded and caused search results to …
Lagos II Datacenter Issue - zscalerthree.net
Zscaler has detected an issue with our Lagos II datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover to your secondary DC …
AutoOps Partial Outage in GCP us-central-1
Dec 23, 05:29 UTCResolved - The system is operational.Dec 23, 04:47 UTCMonitoring - We are seeing recovery in the system with the deployed fix, and are continuing to monitor the …
[Emerging Issue] - Block Storage performance issues in the IAD data center
Dec 23, 04:24 UTCResolved - We have resolved the issue that prompted this emerging status event. Customers may have experienced a brief period of impact, during which general performance and …
Incident Update: Increase in 5xx across Load Balancers Restored - INC-20251222-423
Dec 23, 02:53 UTCResolved - The F5 Distributed Cloud Support team has confirmed that the issue has been resolved. Our services remain stable and we will continue to closely monitor …
Urgent Maintenance - Beijing III (BJS3) Datacenter Maintenance - zscaler.net
Zscaler will perform urgent maintenance at our Beijing III (BJS3) data center to support continued platform stability. This activity is fully isolated from customer traffic, and no service impact is …
HCP Boundary degradation
Status: ResolvedOur Engineering team has resolved the issue. If you continue to experience any problems, please open a ticket with our support team.Affected components HCP Boundary (Operational)
Congestion affecting certain routes between the US and India - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zdxcloud.net, zpatwo.net
We are aware of network congestion impacting select routes between North America and India. The issue is most pronounced for traffic transiting through India data centers and is associated with …
Support updates for IBM Cloud Kubernetes Service
There are support updates for IBM Cloud Kubernetes Service. What you need to know:IBM Cloud Kubernetes Service now supports Kubernetes version 1.34.Clusters running Kubernetes version 1.31 are deprecated with end …
Chennai II, Hyderabad I, Mumbai VI Datacenter Issue - zscaler.net
Zscaler has detected an issue with our Chennai II, Hyderabad I, Mumbai VI datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover …
【已恢复】DeepSeek 网页/API 性能异常（[Resolved]DeepSeek Web/API Service Degraded Performance）
Dec 22, 18:42 CSTResolved - This incident has been resolved.Dec 22, 18:31 CSTIdentified - The issue has been identified and a fix is being implemented.
Elevated error rates on Opus 4.5
Dec 22, 09:32 UTCResolved - This incident has been resolved.Dec 22, 08:40 UTCMonitoring - A fix has been implemented and we are monitoring the results.Dec 22, 07:18 UTCInvestigating - We …
Zidentity Portal Issue - zslogin.net
Zscaler has detected an issue with the user authentication on its zslogin.net Cloud. Customers may encounter intermittent connection problems when logging in to the Zidentity Portal.We will continue to provide …
Shared SMTP service has low deliverability
Dec 22, 07:57 UTCResolved - We worked with our email provider to restore the shared SMTP service, and email delivery has now fully returned to normal.All emails are being delivered …
Shanghai II (SHA2), Beijing (BJS1), Beijing III (BJS3) Datacenter Issue - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler is currently investigating reports of an issue with its Shanghai II (SHA2), Beijing (BJS1), Beijing III (BJS3) datacenters. We are investigating periods of slowness, connection timeouts and/or increased latency. …
[Scheduled] Hosting | Minneapolis and Atlanta Maintenance
Type: Maintenance Duration: 15 hours and 55 minutes Affected Components: Hosting Portal Dec 22, 06:00:00 GMT+0 - Identified - During this time period, our engineering team will be migrating all …
Some Android users are experiencing elevated errors while using ChatGPT.
Status: ResolvedAll impacted services have now fully recovered.Affected components Connectors/Apps (Operational) ChatGPT Atlas (Operational) Search (Operational) Conversations (Operational) Image Generation (Operational) Deep Research (Operational) Codex (Operational) Login (Operational) File uploads …
Elevated error rates on Opus 4.5
Dec 21, 14:34 UTCResolved - This incident has been resolved.Dec 21, 13:57 UTCMonitoring - A fix has been implemented and we are monitoring the results.Dec 21, 13:16 UTCIdentified - The …
Scheduled Maintenance Extended - zscalerthree.net
The Zscaler Site Reliability Engineering team will be extending the scheduled maintenance of the zscalerthree.net cloud by 2 hours. As part of our standard maintenance process, all logs will be …
Scheduled Maintenance Extended - zscloud.net
The Zscaler Site Reliability Engineering team will be extending the scheduled maintenance of the zscloud.net cloud by 2 hours. As part of our standard maintenance process, all logs will be …
Urgent Maintenance on Bogota I, Santiago I datacenters - zscloud.net
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance on the Bogota I, Santiago I datacenters on the zscloud.net cloud. This maintenance is scheduled for Saturday, December …
Urgent Maintenance - VZEN nodes - zscaler.net
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance on the VZEN nodes in zscaler.net cloud. The maintenance will happen across VZEN nodes during the window and …
Scheduled Maintenance Extended - zscalertwo.net
The Zscaler Site Reliability Engineering team will be extending the scheduled maintenance of the zscalertwo.net cloud by 3 hours. As part of our standard maintenance process, all logs will be …
ZDX and Partner Admin portal issue - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zdxcloud.net
Zscaler has detected an issue with its zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zdxcloud.net Cloud. We will continue to provide updates here as the investigation progresses. For detailed updates, please check …
Research unavailable for some teams orgs
Dec 20, 01:35 UTCResolved - This incident has been resolved.Dec 20, 00:51 UTCInvestigating - We are currently investigating this issue.
Reporting and Logging Issue - zscloud.net
Zscaler has identified an issue impacting the latency of Reporting and Logging data for a subset of reporting views, including Risk360 and select reports within Experience Center. Some customers may …
Issue connecting to Atlas Data Federation and Online Archive
Dec 20, 00:28 UTCResolved - Issue is resolved, and affected components are confirmed to be operational again.Dec 19, 22:42 UTCMonitoring - A fix has been implemented and we are monitoring …
Claude Code on Windows rendering improperly
Dec 19, 22:14 UTCResolved - This incident has been resolved in Claude Code 2.0.74.Dec 19, 20:30 UTCIdentified - The issue has been identified and a fix is being implemented.
CVE-2025-4615 PAN-OS: Improper Neutralization of Input in the Management Web Interface (Severity: MEDIUM)
Intermittent ZPA Application Access Issue - zscaler.net, zscloud.net
Zscaler is investigating reports of an issue affecting the zscaler.net and zscloud.net clouds. Some customers may experience intermittent connectivity issues or increased latency when accessing Zscaler Private Access (ZPA) applications …
Edge Delivery Issues in Singapore and Chennai
Dec 19, 14:28 UTCResolved - We can confirm that the issue was mitigated at 18:00 UTC on December 15, 2025, and the service has resumed normal operation. Customers and partners …
Elevated error rates on Sonnet 4.5
Dec 19, 13:52 UTCResolved - This incident has been resolved.Dec 19, 07:48 UTCMonitoring - A fix has been implemented and we are monitoring the results.Dec 19, 06:59 UTCIdentified - The …
Elevated 5xx error rates
Dec 19, 11:30 UTCResolved - An upstream provider was experiencing an issue which led to increase 5xx error rates between 11:19 UTC and 12:34 UTC
Reporting and Logging Issue - zscloud.net
Zscaler is currently investigating reports of issues with Reporting and Logging on its zscloud.net Cloud. Your organization's policies are being enforced. All user logs are being collected and will be …
Shanghai II (SHA2), Beijing (BJS1), Beijing III (BJS3) Datacenter Issue - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler is currently investigating reports of an issue with its Shanghai II (SHA2), Beijing (BJS1), Beijing III (BJS3) datacenters. We are investigating periods of slowness, connection timeouts and/or increased latency. …
Chennai II, Hyderabad I, Mumbai VI Datacenter Issue - zscaler.net
Zscaler has detected an issue with our Chennai II, Hyderabad I, Mumbai VI datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover …
Increased error rates for Sora API
Status: ResolvedAll impacted services have now fully recovered.Affected components Sora (Operational)
Degraded latency and increased error rates for Sora API
Status: ResolvedAll impacted services have now fully recovered.Affected components Sora (Operational)
4th generation instance profiles available in Dallas codeussouthcode region select availability
4th generation instance profiles available in Dallas (us-south) region (select availability) The 4th generation of IBM Cloud Virtual Servers for VPC are available to customers with special access in the …