Incident History
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Atlanta II Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net, zscalertwo.net, zscloud.net
Zscaler will be enabling IPv6 at our Atlanta II (ATL2) Data Center. During the maintenance window the services through ATL2 Data Center will be restarted in phases to minimize the …
Auckland II Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net, zscalertwo.net, zscloud.net
Zscaler will be enabling IPv6 at our Auckland II (AKL2) Data Center. During the maintenance window the services through AKL2 Data Center will be restarted in phases to minimize the …
Boston I Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net
Zscaler will be enabling IPv6 at our Boston I (BOS1) Data Center. During the maintenance window the services through BOS1 Data Center will be restarted in phases to minimize the …
Droplet Availability in All Regions
Apr 10, 21:06 UTCResolved - Our Engineering team has confirmed full resolution of the issue with creating Droplets in all regions. Users should be able to create Droplets without issue.We …
Amsterdam III Datacenter Scheduled Maintenance - IPv6 Enablement - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler will be enabling IPv6 at our Amsterdam III (AMS3) Data Center. During the maintenance window the services through AMS3 Data Center will be restarted in phases to minimize the …
Tempo Write Outage
Apr 10, 21:02 UTCResolved - This incident has been resolved. Thank you for your patience.Apr 10, 19:53 UTCMonitoring - We’ve implemented a fix and are monitoring the results to confirm …
Notifications to Pagerduty, VictorOps, Slack, Webhook, Microsoft Teams and OpsGenie are not delivered
Apr 10, 16:59 EDT Resolved - Between approximately 9:42 AM and 10:38 AM ET on April 10, we observed delivery failures for customers in the US1, AP1, and AP2 regions. …
Tokyo IV Datacenter Scheduled Maintenance - IPv6 Enablement - zscloud.net
Zscaler will be enabling IPv6 at our Tokyo IV (TYO4) Data Center. During the maintenance window the services through TYO4 Data Center will be restarted in phases to minimize the …
Privatelink hostnames reported by API are incorrect
Apr 10, 19:54 UTC Resolved - We have successfully deployed a fix for the PrivateLink hostname issue to the User Console. Customers who experienced incorrect PrivateLink URLs or connectivity issues …
Incident: Trouble Sending Messages
This issue is now resolved for all users.Current status and recent actions taken: After monitoring system performance and infrastructure stability, we have confirmed that all Slack features are operating within …
Increased HTTP 5xx errors in Philadelphia colo
Apr 10, 17:04 UTCResolved - This incident has been resolved.Apr 10, 16:42 UTCMonitoring - A fix has been implemented and we are monitoring the results.Apr 10, 15:56 UTCUpdate - We …
Elevated errors on requests to Claude models
Apr 10, 16:51 UTCResolved - The issue affecting requests to non-Opus models has been resolved.Apr 10, 16:42 UTCIdentified - We have identified the current issue as affecting requests to models …
Workers Assets increased upload failure
Apr 10, 16:26 UTCResolved - This incident has been resolved.Apr 10, 16:20 UTCMonitoring - A fix has been implemented and we are monitoring the results.Apr 10, 14:06 UTCIdentified - Cloudflare …
RESOLVED: **Summary** Google Workspace users using Google IdP are unable to sign into their accounts using security keys and hardware based passkeys. **Description** We are experiencing an issue with Workspace users beginning on Thursday, 2026-04-09 19:08 PDT. Our engineering team continues to investigate the issue. We will provide an update by Friday, 2026-04-10 04:00 PDT with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Google Workspace users u
Incident began at 2026-04-10 02:08 and ended at 2026-04-10 14:50 (times are in Coordinated Universal Time (UTC)). Summary Google Workspace users using Google IdP were unable to sign into their …
UPDATE: **Summary** Google Workspace users using Google IdP are unable to sign into their accounts using security keys and hardware based passkeys. **Description** We are experiencing an issue with Workspace users beginning on Thursday, 2026-04-09 19:08 PDT. Our engineering team continues to investigate the issue. We will provide an update by Friday, 2026-04-10 04:00 PDT with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Google Workspace users usi
Incident began at 2026-04-10 02:08 and ended at 2026-04-10 14:50 (times are in Coordinated Universal Time (UTC)). Summary Google Workspace users using Google IdP are unable to sign into their …
Some Claude.ai share links were inaccessible
Apr 10, 14:00 UTCResolved - Between April 2 and April 10, some users who were not signed in to Claude.ai (web, mobile, desktop) were not able to access some Claude.ai …
Problems with third-party Claude and Codex Agent sessions not being listed in the agents tab dashboard
Apr 10, 13:28 UTCResolved - On April 9, 2026, between 22:59 UTC and April 10, 2026, 13:24 UTC, the Copilot Mission Control service was degraded and did not display Claude …
Hosting | Frankfurt Incident Details
Type: Incident Duration: 18 hours and 6 minutes Affected Components: Frankfurt (DRF) Apr 11, 06:54:41 GMT+0 - Resolved - We are happy to inform you that the major outage in …
Connection issue to Kibana via the Cloud UI SSO
Apr 10, 11:51 UTC Resolved - We have confirmed no further impact from this incident, and are now marking it as resolved. Apr 9, 19:50 UTC Update - We have …
UPDATE: **Summary** Google Workspace users using Google IdP are unable to sign into their accounts using security keys and hardware based passkeys. **Description** We are experiencing an issue with Workspace users beginning on Thursday, 2026-04-09 19:08 PDT. Our engineering team continues to investigate the issue. We will provide an update by Friday, 2026-04-10 04:00 PDT with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Google Workspace users usi
Incident began at 2026-04-10 02:08 and ended at 2026-04-10 14:50 (times are in Coordinated Universal Time (UTC)). Summary Google Workspace users using Google IdP are unable to sign into their …
UPDATE: **Summary** Google Workspace users using Google IdP are unable to sign into their accounts using security keys and hardware based passkeys. **Description** We are experiencing an issue with Workspace users beginning on Thursday, 2026-04-09 19:08 PDT. Our engineering team continues to investigate the issue. We will provide an update by Friday, 2026-04-10 04:00 PDT with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Google Workspace users usi
Incident began at 2026-04-10 02:08 and ended at 2026-04-10 14:50 (times are in Coordinated Universal Time (UTC)). Summary Google Workspace users using Google IdP are unable to sign into their …
[INC-1009] Imperva Management Portal Cloud WAF Dashboard Issue
Apr 10, 10:05 UTCResolved - Final validation has been completed, data visibility on the Cloud WAF dashboard has been restored, and all systems are now functioning as expected.The status updates …
ORD (Chicago) on 2026-04-10
Apr 10, 09:00 UTCCompleted - The scheduled maintenance has been completed.Apr 10, 06:00 UTCIn progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 8, 09:48 …
Denver III (DEN3) Datacenter Network Maintenance - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler will be performing hardware maintenance in Denver III (DEN3) Datacenter .Maintenance window: Start: 2026-04-13 05:00 UTC End: 2026-04-13 08:00 UTC (Local Time 2026-04-12 23:00 - 2026-04-13 02:00) Update …
AMS (Amsterdam) on 2026-04-10
Apr 10, 06:01 UTCCompleted - The scheduled maintenance has been completed.Apr 10, 00:00 UTCIn progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 7, 01:34 …
Issue with API platform login and account creation
Status: ResolvedAll impacted services have now fully recovered.Affected components Login (Operational)
Issues with share link creation on web UI
Status: ResolvedAll impacted services have now fully recovered.
Degraded Performance on Vaults
Apr 10, 04:38 UTCResolved - This incident has been resolved.Apr 10, 04:36 UTCMonitoring - A fix has been implemented and we are monitoring the results.Apr 10, 04:28 UTCInvestigating - We …
Houston (IAH) Rerouted Traffic
Traffic in Houston (IAH) has been temporarily rerouted. All other locations and services are unaffected.
RESOLVED: **Title:** Customers may experience delays in receiving and sending emails. **Description:** We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning at Wednesday, 2026-04-08 06:30 PDT. Mitigation work is currently underway by our engineering team. We do not have an ETA for mitigation at this point. We will provide an update by Wednesday, 2026-04-08 12:00 PDT with current details. **Symptoms:** Customers may experience delays in receiving
Incident began at 2026-04-08 13:30 and ended at 2026-04-08 21:40 (times are in Coordinated Universal Time (UTC)). Preliminary Incident Report We apologize for the inconvenience this Gmail service disruption may …
RESOLVED: **Title:** Customers may experience delays in receiving and sending emails. **Description:** We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning at Wednesday, 2026-04-08 06:30 PDT. Mitigation work is currently underway by our engineering team. We do not have an ETA for mitigation at this point. We will provide an update by Wednesday, 2026-04-08 12:00 PDT with current details. **Symptoms:** Customers may experience delays in receiving
Incident began at 2026-04-08 13:30 and ended at 2026-04-08 21:40 (times are in Coordinated Universal Time (UTC)). Title Customers may have experienced delays in receiving and sending emails. Description The …
Service Issue - Networking in US-IAD (Washington)
Apr 10, 02:31 UTC Resolved - We have successfully resolved the networking issues in the US-IAD (Washington) data center. The cause was identified as a specific compute host that generated …
[INC-1008] Advanced Bot Protection Issue
Apr 10, 01:16 UTCResolved - The incident has been resolved and normal service levels have been restored for the Imperva Advanced Bot Protection service.Apr 9, 21:37 UTCUpdate - Services remain …
UPDATE: Firebase AI Logic is seeing an elevated RESOURCE_EXHASUTED error rates from both Vertex AI and Generative AI servers.
Incident began at 2026-04-09 05:01 and ended at 2026-04-09 15:00 (all times are US/Pacific). No updates so far Affected products: Firebase AI Logic
RESOLVED: Firebase AI Logic is seeing an elevated RESOURCE_EXHASUTED error rates from both Vertex AI and Generative AI servers.
Incident began at 2026-04-09 05:01 and ended at 2026-04-09 15:00 (all times are US/Pacific). Problem appears to be mitigated and the error rates are back to normal level. Affected products: …
Discontinued in Madrid and Osaka
Discontinued in Madrid and Osaka IBM Cloud Continuous Delivery, is discontinued in Osaka (jp-osa) and Madrid (eu-es). Type: release_note Regions: global Resources: continuous-delivery Type: release_note Update Time: Wed Jun 17 …
Scheduled Maintenance Extended - EMEA Region - zscloud.net
The Zscaler Site Reliability Engineering team will be extending the scheduled maintenance of the EMEA region's datacenters on zscloud.net cloud by 3 hours. During this extended maintenance window the ZIA …
MongoDB Maintenance - BLR1, NYC3, SFO2, SGP1, SYD1, TOR1
Apr 9, 22:51 UTCCompleted - The scheduled maintenance has been completed.Apr 9, 18:00 UTCIn progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.Apr 7, 18:23 …
RESOLVED: Physical device tests are delayed and stuck pending
Incident began at 2026-04-09 09:59 and ended at 2026-04-09 14:00 (all times are US/Pacific). We believe we've addressed the issue and stuck tests will now run. They may still be …
UPDATE: Physical device tests are delayed and stuck pending
Incident began at 2026-04-09 09:59 and ended at 2026-04-09 14:00 (all times are US/Pacific). We've redirected our traffic so newly created tests should run. We're still investigating and working to …
Disruption with some GitHub services
Apr 9, 20:36 UTCResolved - On April 9, 2026, between 16:05 UTC and 20:36 UTC, the Copilot cloud agent service was degraded, causing new agent sessions to be delayed or …
Urgent Maintenance - zscalerone.net
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance on zscalerone.net cloud. This maintenance is scheduled for Friday at 01:00 AM Pacific Time on April 10, 2026 …
China Premium Access Plus Beijing V and Shanghai VI Datacenter Network Maintenance - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Beijing V and Shanghai VI DC network providers have advised maintenance work as below. During the maintenance window, China Premium Access Plus services within these data centres may experience intermittent …
K6 Browser Testing/Timeline Not Available
Apr 9, 18:50 UTCResolved - This incident has been resolved. Thank you for your patience.Apr 9, 18:39 UTCIdentified - We’ve identified the cause of the issue impacting k6 browser testing/timeline. …
Urgent Maintenance - zdxcloud.net
The Zscaler Site Reliability Engineering team will be performing an urgent maintenance on the zdxcloud.net cloud. This maintenance is scheduled for Thursday at 03:00 PM Pacific Time on April 9, …
Elevated Connector Error Rates
Apr 9, 17:34 UTCResolved - This incident has been resolved.Apr 9, 16:55 UTCMonitoring - A fix has been implemented and we are monitoring the results.Apr 9, 16:54 UTCInvestigating - Certain …
RESOLVED: Mandiant Digital Threat Monitoring is experiencing increased alert backlog.
Incident began at 2026-04-03 11:53 and ended at 2026-04-09 09:01 (all times are US/Pacific). Description The increased alert backlog issue with Mandiant Digital Threat Monitoring has been resolved as of …
UPDATE: Mandiant Digital Threat Monitoring is experiencing increased alert backlog.
Incident began at 2026-04-03 11:53 and ended at 2026-04-09 09:01 (all times are US/Pacific). Description: Mandiant Digital Threat Monitoring is experiencing increased alert backlog and as a result customers may …
UPDATE: Physical device tests are delayed and stuck pending
Incident began at 2026-04-09 09:59 and ended at 2026-04-09 14:00 (all times are US/Pacific). We're investigating the issue and determining the cause Affected products: Test Lab