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 has implemented preliminary mitigation measures to address the issue. The team is actively monitoring and evaluating the effectiveness of these measures.
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.
July 2026
Lagos II Datacenter Issue - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has detected an issue with its Lagos II datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover to Lagos III datacenter. For more information, please refer to the following support article. 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...
Opt Out of Microsoft Azure Network Adapter (MANA) for Zscaler ZPA Private Infrastructure Deployed in Microsoft Azure - private.zscaler.com, zpatwo.net, zpabeta.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Microsoft is currently deploying the Microsoft Azure Network Adapter (MANA), a next-generation network interface included within Azure Boost, across existing Azure virtual machine (VM) size families. This deployment will replace the Mellanox ConnectX-based Accelerated Networking hardware currently utilized by ZPA App Connector, Private Service Edge, Network Connector, and Private Cloud Controller. Effective August 1, 2026, Azure may automatically transition MANA-eligible VMs to MANA-capable h...
Mumbai IV Data Center Decommissioning - zscaler.net
Source not attested
Last archived state: investigating
View archived record details
investigating
You are receiving this notice in accordance with the Zscaler Service Continuity Policy.Please note that the Mumbai IV (BOM4) data center will be shut down any time on or after October 21, 2026. The customers that are still connecting to BOM4 via GRE or IPSEC tunnel(s) must migrate their traffic to the new Mumbai VII (BOM7) data center. All such customers will be contacted separately with migration instructions. Other Zscaler sites and Zscaler Services will continue to operate normally.
Zscaler Mobile Admin (ZMA) Availability Issue - zscalertwo.net
partialSource not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has detected an issue with the Zscaler Client Connector Portal and Zscaler Client Connector (ZCC) on its zscalertwo.net Cloud. Some users may see a “ Zscaler Client Connector was unable to enroll at this time” message when trying to sign in to Zscaler Client Connector (ZCC). Users who are already signed in should continue to access services normally.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status secti...
Mexico City II Data Center online - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Dear Zscaler Customer,You are receiving this notice in accordance with the Zscaler Service Continuity Policy.As part of our effort to enhance our Security Cloud’s robustness and performance, Zscaler will be bringing online a new Mexico City II (MEX2) data center. This facility will be added to the public resolution service (Auto Geo Proximity) on August 3, 2026What if I have more questions? Contact Zscaler Support via the “Support” link at the top-right of the Zscaler Administration U...
Administration UI and Authentication Issue - zscalertwo.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has detected an issue with its zscalertwo.net Cloud. 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 platform issue briefly disrupted ZIA control plane services, resulting in the impact observed during this incident window. This is a preliminary observati...
Cloud-to-Cloud Incident Forwarding and Email DLP Issue - zscloud.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Zscaler is investigating an issue affecting cloud-to-cloud (C2C) incident forwarding and email DLP for some tenants. Customers may experience disruption to cloud-to-cloud incident forwarding across inline, endpoint, and other channels, where DLP incidents may not be captured in incident records during the impact window. Email DLP quarantine actions are also impacted, and quarantine release actions may be delayed or unavailable. Remediation actions may not execute as expected, and dashboards ...
Red Hat Enterprise Linux (RHEL) 9.x Boot Issue Impacting ZPA Components During Operating System (OS) Upgrades - private.zscaler.com, zpatwo.net, zpabeta.net
Source not attested
Last archived state: investigating
View archived record details
investigating
As a continuation of the previous Advisory related to RHEL 9.x Boot Issue Impacting ZPA Components During OS Upgrades, we would like to provide the following information regarding the latest progress and next steps.Zscaler is aware of a boot-related issue affecting Red Hat Enterprise Linux (RHEL) 9.x that can impact ZPA infrastructure components, and to share the steps we are taking to protect your environment. A recent Red Hat update (RHBA-2026:18665, released with RHEL 9.x on May 19, 2026) ...
Zscaler has detected an Authentication issue with the Zscaler Client Connector Portal and Zscaler Client Connector (ZCC) on its zscalertwo.net Cloud. Some users may see a “Zscaler Client Connector was unable to enroll at this time” message when trying to sign in to Zscaler Client Connector (ZCC). Users who are already signed in should continue to access services normally.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Servic...
Rare Windows System Crash During Upgrade or Uninstall of Zscaler Client Connector 4.8 Builds Prior to 4.8.0.190 - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zdxcloud.net, zpatwo.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has identified an issue in the ZCC driver included with Windows ZCC 4.8 builds prior to 4.8.0.190. The issue may be triggered when the impacted driver is replaced or removed during a ZCC upgrade or uninstall.The condition is timing-dependent and may occur only under rare circumstances based on system activity at the time of the upgrade or uninstall. Because of this, it is not possible to predict in advance which individual endpoints may encounter the issue.Affected versions:- Zscaler ...
