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Outage in Zscaler

Lagos II Datacenter Issue

Resolved Minor
July 28, 2026 - Started 4 days ago - Lasted about 19 hours

Incident Report

Summary AI Generated

Zscaler's Lagos II datacenter in the EMEA region experienced a traffic-impacting issue caused by a problem with a third-party network provider's infrastructure, lasting approximately 19 hours. The issue was initially resolved following actions taken by the partner, but later resurfaced, requiring further investigation. Customers experiencing disruptions were advised to failover to the Lagos III datacenter as a mitigation measure.

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 will be posted there as they become available.Root Cause: Issue was observed in Zscaler partner infrastructure.Latest Update - Wed, 29 Jul 2026 12:08:37 UTCZscaler is investigating a resurfaced issue affecting Lagos II data center and is working to restore full functionality as quickly as possible. Further updates will be provided as they become available.Update - Tue, 28 Jul 2026 18:54:04 UTCAn issue with a third-party network provider has been identified, and Zscaler teams are actively working to address and mitigate the problem.Update - Tue, 28 Jul 2026 21:50:36 UTCFollowing the actions previously taken by Zscaler partner, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability.Update - Wed, 29 Jul 2026 12:08:37 UTCZscaler is investigating a resurfaced issue affecting Lagos II data center and is working to restore full functionality as quickly as possible. If you’re currently experiencing any traffic impacting issues please fail over to Lagos III datacenter. Further updates will be provided as they become available.
Components affected
Zscaler EMEA Zscaler Lagos II

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