Posted on: Mon, 22 Dec 2025 13:17:00 UTC	Resolved on: Mon, 22 Dec 2025 14:56:20 UTC
Impact Start Time: Mon, 22 Dec 2025 13:16:53 UTC	Impact Remediated: Mon, 22 Dec 2025 14:55:15 UTC

Chennai II, Hyderabad I, Mumbai VI Datacenter Issue Customer Impact: A subset of customers might face intermittent issues with new policy enforcement. Next Update: 4hrs Datacenters affected: APAC, Chennai II, Hyderabad I, Mumbai VI Status: Resolved Event Type: Service Degradation Zscaler has detected an issue with our Chennai II, Hyderabad I, Mumbai VI datacenter and is currently investigating the matter. If you’re currently experiencing any traffic impacting issues please failover to your secondary DC or any other alternate DC. 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. Latest Update - Mon, 22 Dec 2025 14:56:20 UTC Following the actions previously taken by Zscaler, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability. Update - Mon, 22 Dec 2025 13:52:50 UTC We have identified the root cause for this issue and we are currently working to mitigate the issue. Update - Mon, 22 Dec 2025 14:38:23 UTC Zscaler has implemented preliminary mitigation measures to address the issue. The team is actively monitoring and evaluating the effectiveness of these measures. Update - Mon, 22 Dec 2025 14:56:20 UTC Following the actions previously taken by Zscaler, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability.

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