Outage in Zscaler

Chennai II, Mumbai VI, Hyderabad I, Hyderabad II, New Delhi I Datacenter Issue

Resolved Minor
December 11, 2024 - Started 11 days ago - Lasted about 5 hours

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Outage Details

We are currently investigating reports of performance degradation and connectivity issues at our Chennai II datacenter. For more information, please refer to our FAQ. If you need further assistance, please contact Zscaler Support and reference this incident. We will provide status updates here as they become available.Update - Wed, 11 Dec 2024 03:30:02 UTCWe have identified the root cause of the issue as a carrier problem, which is also affecting other datacenters. Our team is actively working on a resolution.Update - Wed, 11 Dec 2024 03:56:58 UTCWe have isolated the issue to a third-party carrier, which may potentially be affecting connectivity at our other datacenters. Our team is actively working on a resolution.Update - Wed, 11 Dec 2024 04:26:39 UTCWe have identified a theme where international users connecting to applications in US could be experiencing connectivity or performance issues on either the forward or return path if using Lumen (3356) as their primary ISP for the app connector. If customers have the option, they should route app connector traffic for the impacted applications via an alternate ISP.Update - Wed, 11 Dec 2024 06:19:17 UTCWe are still investigating the ongoing issue and have implemented mitigation measures for impacted customers. While we have observed some improvement in connectivity, we are still awaiting an official statement from the ISP. We will continue to monitor the situation to ensure stability.

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