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.
Root Cause: Preliminary root cause is attributed to an internal backend infrastructure issue, which has since been fully resolved.
Following the actions previously taken by Zscaler, the incident has been resolved.
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.
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.
Provider resolved: . The notice publication date does not establish the outage start.
resolved
Services have recovered following remediation of a network configuration issue by our infrastructure partner. We are continuing to monitor the environment to ensure stability.
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.
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.
Tokyo IV and Tokyo V Data Center Issue - zscalerthree.net
Provider resolved: . The notice publication date does not establish the outage start.
resolved
The performance issue has been resolved. The degradation was observed between 0800–1000 Japan time following resumption of business activity post a holiday period, and recovered without any intervention. The environment is confirmed stable.
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.
August 2026
New Datacenter Expansion Milan IV (MIL4) - zpatwo.net
Source not attested
Last archived state: investigating
View archived record details
investigating
As part of our regular expansion of capacity, we are adding ZPA Public Service Edge nodes to our new data center in Milan IV (MIL4).If you restrict outbound firewall access, please ensure you have added the complete set of published IPs in the URL belowhttps://config.zscaler.com/zpatwo.net/zpa
Reminder Notification for Upcoming Data Center Expansions - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zpatwo.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Dear Customer, In accordance with the Zscaler Service Continuity Policy and as previously announced via email notification and Trust on July 1, 2026, we would like to remind you of the upcoming data center expansions at the locations listed below. These would be effective anytime on or after August 30, 2026.RegionLocationCIDRNotesAPACMumbai VI137.31.136.0/23Expansion of existing data centerAPACMumbai VI137.31.138.0/23Expansion of existing data centerAPACSingapore IV137.31.142.0/23Expansi...
Reminder Notification for Additions to HUB IP Address Ranges - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, zdxcloud.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Dear Customer, In accordance with Zscaler Service Continuity Policy and as previously announced via Trust and email notification sent on July 1, 2026, we would like to remind you of the upcoming changes to HUB IP address ranges as listed below. The services through the new IP address range will be available anytime on or after August 30, 2026.CIDRNotes137.31.134.0/23New addition to Required Hub IP addressesPlease update your firewall policy rules and any upstream access control lists t...
Datacenter Expansion San Francisco IV (SJC4) - private.zscaler.com
Source not attested
Last archived state: investigating
View archived record details
investigating
Affected Datacenters or Regions: AMER, San Francisco IVClouds: private.zscaler.comDescription:As part of our regular expansion of capacity, we are adding ZPA Public Service Edge nodes to our existing data center in San Francisco IV (SJC4).If you restrict outbound firewall access, please ensure you have added the complete set of published IPs in the URL belowhttps://config.zscaler.com/private.zscaler.com/zpa
Urgent Maintenance on Singapore IV, Singapore V datacenters - zscalertwo.net, zscalerthree.net
minorSource not attested
Last archived state: resolved
View archived record details
resolved
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance on Singapore IV, Singapore V datacenters on the zscalertwo.net and zscalerthree.net clouds. This maintenance can take up to 2 hours to complete. We expect minimal to no impact to services during the maintenance window. All logs will be collected and available after maintenance is complete. Please contact Zscaler Support if you have additional questions.
Datacenter Expansion Hongkong III (HKG3) - zpatwo.net
Source not attested
Last archived state: investigating
View archived record details
investigating
Affected Datacenters or Regions: APAC, Hong Kong IIIClouds: zpatwo.netDescription:As part of our regular expansion of capacity, we are adding ZPA Public Service Edge nodes to our new data center in HongKong III (HKG3).If you restrict outbound firewall access, please ensure you have added the complete set of published IPs in the URL belowhttps://config.zscaler.com/private.zscaler.com/zpa
Login and UI Access Issue - app.avalor.io, app.eu.avalor.io, app.aps.avalor.io
Source not attested
Last archived state: investigating
View archived record details
investigating
Zscaler has identified an issue affecting the app.avalor.io, app.eu.avalor.io, and app.aps.avalor.io cloud environments. Customers may experience problems with users being unable to log in or load views within the platform.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 Ca...
Zscaler is actively investigating a potential Reporting and Logging issue affecting Audit Logs that may be impacting some customers. Our teams are currently assessing the scope and cause. We will provide an update as soon as more information becomes available.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...
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance during which access to the Partner Admin UI will not be available. This maintenance can take up to 30 minutes to complete. All the logs that are collected during this period will be available after the maintenance ends.Update - Mon, 17 Aug 2026 06:53:49 UTCThis activity has been completed. Please contact Zscaler Support if you have additional questions.
Release Upgrade for Zscaler Data Security Posture Management (DSPM) - app.zsdpc.net
minorSource not attested
Last archived state: resolved
View archived record details
resolved
Zscaler Data Posture Control (DSPM) Operations team will be performing a planned upgrade activity on Aug 17th, 2026. These service updates are applied in regional off-peak hours and should not result in any downtime for customers. Please reach out to Customer support for more information about the changes. Update - Mon, 17 Aug 2026 06:46:38 UTCThis activity has been completed. Please contact Zscaler Support if you have additional questions.
