Posted on: Thu, 13 Nov 2025 11:56:23 UTC	Resolved on: Thu, 13 Nov 2025 15:07:04 UTC
Impact Start Time: Thu, 13 Nov 2025 11:56:18 UTC	Impact Remediated: Thu, 13 Nov 2025 12:34:12 UTC

Mumbai VI Datacenter Issue Customer Impact: We are investigating periods of slowness, connection timeouts and/or increased latency. Available Workaround: If you’re currently experiencing any traffic impacting issues please failover to your secondary DC or any other alternate DC Datacenters affected: APAC, Mumbai VI Status: Resolved Event Type: Service Degradation Zscaler is currently investigating reports of an issue with its Mumbai VI datacenter. We are investigating periods of slowness, connection timeouts and/or increased latency. 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. Incident Status: Resolved Impacted Services: ISP \| Mumbai VI \| All Clouds Root Cause: A network path issue was identified in which Zscaler successfully implemented a mitigation for the issue. Update - Thu, 13 Nov 2025 15:07:04 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 - Thu, 13 Nov 2025 12:34:33 UTC Zscaler has successfully implemented a mitigation for the issue. Initial test results suggest that the mitigation effectively resolves the issue. We are currently conducting further validation through internal testing and gathering customer feedback to ensure that the problem is fully addressed and the service is functioning as intended. Update - Thu, 13 Nov 2025 15:07:04 UTC