Outage in Zscaler

Lisbon I Datacenter Issue

Resolved Minor
September 08, 2025 - Started about 2 months ago - Lasted about 2 hours

Incident Report

Zscaler has detected an issue with our Lisbon I datacenter. If you’re currently experiencing any traffic impacting issues please failover to your secondary DC. If you require any assistance or would like additional information about this incident please reach out to Zscaler Support. For more information, please check our FAQ. 
Components affected
Zscaler EMEA

Need to monitor Zscaler outages?

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Try IsDown risk-free 14-day free trial · No credit card required

The Status Page Aggregator Built for IT Teams

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4522 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook