Provider resolved: . The notice publication date does not establish the outage start.
resolved
Following the actions taken by Zscaler, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability.
Zscaler's monitoring confirms that the environment has remained stable following the mitigation. Continued monitoring is in place to ensure sustained stability and prevent recurrence.
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Zscaler has resolved the issue affecting audit log visibility in the admin portal. The underlying cause has been addressed and audit logs are now visible and accessible across all affected clouds.
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Zscaler has resolved the issue preventing a subset of administrators from logging into the Zscaler Admin Console. The issue was caused by a routing defect introduced in a recent build upgrade that caused IDP-based authentication requests to be misrouted to an incorrect region, resulting in a tenant lookup failure and 401 unauthorized error. The build has been successfully rolled back to the previous stable version, and admin console login has been confirmed restored.
Mexico City II Datacenter Issue - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Zscaler can confirm that the issue has been resolved without any intervention. Preliminary findings indicate that the issue was observed within the network provider’s infrastructure, and our monitoring has confirmed that the network is stable.
Risk360 Data Update and Risk Score Accuracy Issue - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zscalerrisk.net
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Zscaler has resolved the issue causing interrupted ZPA-related data updates in Risk360. Affected connectors have been successfully reactivated and data updates have resumed across impacted accounts. A code-level fix addressing the underlying cause has been deployed to production. Risk360 data and risk scores are confirmed accurate and the issue is resolved.
Network Connectivity Degradation — Mexico City I and Mexico City II Data Centers - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Following the routing adjustments applied by Zscaler, service has been restored at the Mexico City I and Mexico City II data centers, and monitoring has confirmed continued stability. The incident is resolved. The routing adjustments remain in place while the third-party provider completes permanent repairs to the affected connectivity.
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Zscaler has resolved an issue where a subset of customers across ZSNet and ZSCloud may have experienced disruption in Cloud NSS firewall log delivery to their configured SIEMs. The issue has been fully resolved and services are confirmed stable.
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Following the actions previously taken by Zscaler, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability.
A fix has been verified and is planned for release in an upcoming production update, with more details to be shared as they become available.
Legacy Incident Archive
453 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
May 2026
London III (LON3) Datacenter Network Maintenance - zscaler.net
majorSource not attested
Last archived state: investigating
View archived record details
investigating
Zscaler will be performing hardware maintenance in the London III (LON3) Datacenter.Maintenance window,Start: 2026-05-12 20:30 BSTEnd: 2026-05-12 23:30 BST(i.e. 2026-05-12 19:30 - 22:30 UTC)During the maintenance, traffic will failover to redundant devices in the same datacenter. However, intermittent connections and connection reestablishment may be observed.
Atlanta II (ATL2) Datacenter Network Maintenance - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zpatwo.net
majorSource not attested
Last archived state: investigating
View archived record details
investigating
Zscaler will be performing hardware maintenance in the Atlanta II (ATL2) Datacenter.Maintenance window,Start: 2026-5-12 03:00 EDTEnd: 2026-5-12 07:00 EDT(i.e. 2026-5-12 07:00 - 11:00 UTC)During this maintenance, traffic will failover to redundant devices in the same datacenter, and we expect no service impact.
ZDX Server Error Issue - zdxcloud.net
majorSource not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has detected an issue with its zdxcloud.net Cloud. Customers may encounter intermittent ZDX Server Errors; additionally, the ZCC ZDX tab may not display scores or allow tests to run, and the ZDX portal may show gaps or delayed telemetry for impacted devices.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be po...
Urgent Scheduled Maintenance - zdxcloud.net
majorSource not attested
Last archived state: investigating
View archived record details
investigating
The Zscaler SRE team will be performing an urgent maintenance on the zdxcloud.net cloud. This maintenance is scheduled for Friday at 06:30 AM UTC on 8th May, 2026, and can take up to 30 minutes to complete. During this maintenance window the ZDX Admin Portal, including policy management, reporting access, and authentication of new users will not be available. As part of our standard maintenance process all logs will be collected and available after maintenance has completed.Update - Fri, 08 M...
New enrollments failing for App Connectors/PSEs/Network Connectors - private.zscaler.com, zpatwo.net, zpabeta.net
majorSource not attested
Last archived state: investigating
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investigating
Zscaler is currently investigating reports of issues with new enrollments on its private.zscaler.com Cloud. Customer Guidance: Customers running App Connector version 52 or earlier should avoid restarting, provisioning, or reprovisioning App Connectors at this time. If no changes are made, existing traffic and connected services remain operational. If you are experiencing an issue or have an urgent need to make changes, please contact support immediately for assistance, as alternative op...
Tel Aviv II (TLV2) Datacenter Scheduled Maintenance - zscloud.net
majorSource not attested
Last archived state: investigating
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investigating
Zscaler will be performing hardware maintenance in Tel Aviv II (TLV2) Datacenter.New Maintenance window, Start: 2026-05-11 01:00 UTC End: 2026-05-11 04:00 UTC (Local Time 2026-05-11 04:00 - 2026-05-11 07:00 Local Time)Update - Mon, 11 May 2026 03:22:55 UTCThis activity has been completed. Please contact Zscaler Support if you have additional questions.
Reporting and Logging Issue - private.zscaler.com
majorSource not attested
Last archived state: investigating
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investigating
Zscaler has detected an issue with Reporting and Logging on its private.zscaler.com cloud in US1 Logging Zone. We are investigating periods of slowness, connection timeouts and/or increased latency. We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Root Cause: Intermittent b...
Intermittent Connectivity Issues with Atlassian Jira in Multiple US Regions - zscalertwo.net
majorSource not attested
Last archived state: investigating
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investigating
Zscaler is currently investigating reports of intermittent access issues with Atlassian Jira. Some customers may experience intermittent connectivity issues or timeouts when attempting to access Atlassian Jira.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Root Cause- A servic...
ZDX Server Error Issue - zdxcloud.net
majorSource not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has identified an issue affecting the zdxcloud.net cloud. Customers may encounter ZDX Server Errors; additionally, the ZCC ZDX tab may not display scores or allow tests to run, and the ZDX portal may show gaps or delayed telemetry for impacted devices.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted t...
Planned Maintenance Activity for ZPA platform service - private.zscaler.com
majorSource not attested
Last archived state: investigating
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investigating
We will be performing planned maintenance on our platform infrastructure in the Prod EMEA region to enhance availability and resiliency. Some customers may witness below impact during this maintenance window:Momentary disconnect and auto-reconnect of zcc.Any active session will be disconnected and logged under ZPA User Activity logs as “MT_CLOSED_TLS_CONN_GONE_SCIM_USER_MOVED”Important Note: No action is required from customers and this communication is only intended to in...
