Incident History
Search and filter through 7414 incidents
Showing 951-1000 of 7414 incidents
Elevated error rates across multiple services
May 28, 19:07 UTC Resolved - On May 28, 2026, between 19:07 UTC and 19:16 UTC, multiple GitHub services experienced elevated error rates. This was due to a change that …
Cogent Maintenance: Date: 05/30/2026, Location: Toronto, ON Work order number: NC944-76
Date: 05/30/2026, Location: Toronto, ON Work order number: NC944-76
Manchester II (MAN2) Datacenter Network Maintenance - zscalertwo.net
Zscaler will be performing hardware maintenance in the Manchester II (MAN2) Datacenter.Maintenance window,Start: 2026-05-29 21:00 BSTEnd: 2026-05-29 23:00 BST(i.e. 2026-05-29 20:00 - 22:00 UTC)During the maintenance, traffic will failover to …
DUS (Düsseldorf) on 2026-05-28
May 28, 18:00 UTC Completed - The scheduled maintenance has been completed. May 28, 00:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Elevated Function Invocation Errors in Stockholm region (ARN1)
May 28, 16:59 UTC Resolved - This incident has been resolved. May 28, 16:37 UTC Monitoring - A fix has been implemented and we are monitoring the results. May 28, …
SLC (Salt Lake City) on 2026-05-28
May 28, 16:00 UTC Completed - The scheduled maintenance has been completed. May 28, 07:45 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
SIN (Singapore) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 16:00 UTC - May 29, 00:00 UTC May 22, 06:44 UTC Scheduled - We will be performing scheduled maintenance in SIN (Singapore) datacenter …
Status Page Improvements
May 28, 14:00 UTC Completed - The scheduled maintenance has been completed. May 28, 12:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
SEA (Seattle) on 2026-05-28
May 28, 13:00 UTC Completed - The scheduled maintenance has been completed. May 28, 08:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Cloudflare Tunnel Connectivity Issues via Anchorage (ANC) from 2026-05-14 to 2026-05-28
May 28, 12:18 UTC Resolved - This incident has been resolved. May 28, 12:13 UTC Monitoring - Between May 14th and May 28th, 2026, an issue with network routing impacted …
Cloudflare Tunnel Connectivity Issues via Anchorage (ANC) from 2026-05-14 to 2026-05-28
May 28, 12:07 UTC Resolved - Between May 14th and May 28th, 2026, an issue with network routing impacted a subset of Cloudflare Tunnel connections routing through our Anchorage, AK …
[ICM-5038] Essential Maintenance on the Imperva data center in Atlanta, GA
May 28, 11:59 UTC Completed - The scheduled maintenance has been completed. May 28, 10:53 UTC Update - Maintenance on the Atlanta, GA data center has been extended to Thursday, …
API 性能下降（API Degraded Performance）
Status: resolved本次问题已解决，服务已恢复。 The incident has been resolved and service has been restored.Affected components: API 服务 (API Service)
OTP (Bucharest) on 2026-05-28
May 28, 11:00 UTC Completed - The scheduled maintenance has been completed. May 28, 09:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Fortnite: Downtime for v40.41 Update
May 28, 09:55 UTC Completed - The scheduled maintenance has been completed. May 28, 08:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Elevated errors on Claude Opus 4.7
May 28, 09:17 UTC Resolved - This incident has been resolved. May 28, 08:38 UTC Investigating - We are currently investigating this issue.
PHX (Phoenix) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 09:00 - 13:00 UTC May 26, 13:56 UTC Scheduled - We will be performing scheduled maintenance in PHX (Phoenix) datacenter on 2026-05-28 between …
PHX (Phoenix) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 09:00 - 13:00 UTC May 27, 15:07 UTC Scheduled - We will be performing scheduled maintenance in PHX (Phoenix) datacenter on 2026-05-28 between …
DDoS Protection | Global Retrospective Incident Details
Type: Incident Affected Components: Protection May 28, 08:40:00 GMT+0 - Resolved - We would like to inform you that between 08:40 UTC and 09:40 UTC on May 28, 2026, our …
BRU (Brussels) on 2026-05-28
May 28, 08:01 UTC Completed - The scheduled maintenance has been completed. May 28, 00:01 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
SEA (Seattle) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 08:00 - 13:00 UTC May 25, 07:08 UTC Scheduled - We will be performing scheduled maintenance in SEA (Seattle) datacenter on 2026-05-28 between …
DNS synchronization issue affecting HEC dash DNS records | #cinc-66607_cloud_multiple(Degraded Performance)
May 28, 07:21 UTC Resolved - Some customers experienced traditional HEC ingestion issues due to a DNS synchronization issue affecting HEC dash DNS records using the format http-inputs-${stack}.splunkcloud.com.HEC ingestion using …
BOS (Boston) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 07:00 - 11:00 UTC May 27, 10:26 UTC Scheduled - We will be performing scheduled maintenance in BOS (Boston) datacenter on 2026-05-28 between …
Codex Context Compaction Latency
Status: ResolvedAll impacted services have now fully recovered.Affected components Codex Web (Operational) CLI (Operational) App (Operational) VS Code extension (Operational) Codex API (Operational)
LHR (London) on 2026-05-28
May 28, 06:00 UTC Completed - The scheduled maintenance has been completed. May 28, 00:02 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
EWR (Newark) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 06:00 - 14:00 UTC May 27, 11:00 UTC Update - We will be performing scheduled maintenance in EWR (Newark) datacenter on 2026-05-28 between …
EWR (Newark) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 06:00 - 14:00 UTC May 27, 15:06 UTC Scheduled - We will be performing scheduled maintenance in EWR (Newark) datacenter on 2026-05-28 between …
Cogent Maintenance: Date: 05/27/2026, Location: McAllen, TX Work order number: NC944-44
Date: 05/27/2026, Location: McAllen, TX Work order number: NC944-44
Subscription checkout failing
Status: ResolvedResolved - Some users were unable to complete subscriptions on web and mobile. Affected users may have experienced the Subscribe button becoming unresponsive or encountered the error message submit_error_source:email …
OTP (Bucharest) on 2026-05-27
May 28, 04:00 UTC Completed - The scheduled maintenance has been completed. May 27, 23:01 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Android ChatGPT Business users having trouble switching workspaces
Status: ResolvedAll impacted services have now fully recovered.Affected components Login (Operational)
[ICM-5005] Planned Maintenance on the Imperva data center in Bangkok, Thailand
May 28, 03:49 UTC Completed - The scheduled maintenance has been completed. May 28, 02:54 UTC Update - Maintenance on the Bangkok, Thailand data center has been extended to Thursday, …
DeepSeek 网页/API 性能下降（DeepSeek Web/API Degraded Performance）
Status: resolved本次问题已解决，服务已恢复。 The incident has been resolved and service has been restored.Affected components: API 服务 (API Service), 网页对话服务 (Web Chat Service)
AWS Privatelink unable to receive HEC data with multiple AWS regions impacted | #cinc-66607_cloud_multiple_privatelink (Major Outage)
May 28, 01:43 UTC Resolved - The incident has been resolved. Our investigation determined that an internal configuration change began impacting service at 20:34 UTC on May 27, 2026. A …
Elevated Errors for Fortaleza (FOR)
We are investigating elevated errors to our Fortaleza (FOR) Point of Presence (POP).All other products and services are unaffected by this incident.
Webhook APIs and UI Degraded
May 28, 01:32 UTC Resolved - On May 28, 2026, between 00:54 UTC and 01:19 UTC, some users experienced errors when interacting with the Webhooks API, including webhook delivery history …
Taipei II Datacenter Scheduled Maintenance - Extranet Enablement - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Zscaler will be performing scheduled maintenance in Taipei II (TPE2) to enable Zscaler Extranet Application Support. We expect minimal to no impact to services during the maintenance window.Other Zscaler sites and …
HKG (Hong Kong) on 2026-05-27
May 28, 01:00 UTC Completed - The scheduled maintenance has been completed. May 27, 17:01 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
Elevated number of 5xx errors in Dallas Texas
May 28, 01:00 UTC Resolved - Between 01:17 UTC - 01:28 UTC, customers reaching Dallas Texas region would have experienced an elevated number of 5xx errors. This incident is now …
CGK (Jakarta) on 2026-05-27
May 28, 00:00 UTC Completed - The scheduled maintenance has been completed. May 27, 19:00 UTC In progress - Scheduled maintenance is currently in progress. We will provide updates as …
CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication Portal (Severity: CRITICAL)
DUS (Düsseldorf) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 00:00 - 18:00 UTC May 26, 08:20 UTC Update - We will be performing scheduled maintenance in DUS (Düsseldorf) datacenter on 2026-05-28 between …
LHR (London) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 00:00 - 06:00 UTC May 21, 02:02 UTC Scheduled - We will be performing scheduled maintenance in LHR (London) datacenter on 2026-05-28 between …
BRU (Brussels) on 2026-05-28
THIS IS A SCHEDULED EVENT May 28, 00:00 - 08:00 UTC May 26, 08:23 UTC Scheduled - We will be performing scheduled maintenance in BRU (Brussels) datacenter on 2026-05-28 between …
CLI version 10775 is available
CLI version 1.0.775 is available For more information, see the CLI change log. ALB OAuth Proxy cluster add-on patch updates. For more information, see the change log. VPC Block CSI …
Added support to restrict public inbound connectivity using contextbased restrictions
Added support to restrict public inbound connectivity using context-based restrictions See Restricting inbound traffic to applications and functions using context-based restrictions. CLI version 1.62.5 released See CLI version history. Type: …
Experience Center Page Load Failures - zscaler.net, zscalerone.net, zscalertwo.net, zscloud.net, zscalerthree.net, private.zscaler.com, zdxcloud.net
A subset of users accessing Experience Center may have experienced intermittent 401 Unauthorized errors impacting Experience Center pages, actions, and certain Experience Center driven automations. In some cases, users may …
Incident: Severe Latency Impacting All Slack Services
The Slack Engineering team is currently investigating severe latency impacting all Slack services. We'll provide an update as soon as we have more information to share and apologize for any …
Incident: Trouble with Slack - General Slack functionality issues
This issue is now resolved for all users.Current status and recent actions taken: We deployed a series of configuration adjustments and infrastructure fixes to restore services. Messaging, Workflows, Apps, and …