Posted on: Wed, 12 Nov 2025 10:51:19 UTC
Resolved on: Thu, 13 Nov 2025 08:44:44 UTC
Impact Start Time: Wed, 12 Nov 2025 10:51:12 UTC
Impact Remediated: Thu, 13 Nov 2025 08:35:32 UTC
Hyderabad I Datacenter Issue
Customer Impact: A small subset of users may experience intermittent slowness, connection timeouts, or increased latency when their traffic lands on the impacted service edges.
Available Workaround: 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.
Next Update: 24 hours
Datacenters affected: APAC, Hyderabad I
Status: Resolved
Event Type: Service Degradation

Zscaler is investigating an issue affecting the Hyderabad I data center. A small subset of users may experience intermittent slowness, connection timeouts, or increased latency when their traffic lands on the impacted service edges. 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: Service Edge | Hyderabad I | zscalerthree.net

Root Cause:  We observed abnormal traffic affecting a single Service Edge, resulting in intermittent performance issues. Mitigation has been applied and full functionality has been restored.

Update - Wed, 12 Nov 2025 14:27:52 UTC

Zscaler is prioritizing this issue. We have identified the root cause and are actively working to isolate and remediate it. Internal monitoring indicates the service has stabilized for now, and we will continue to monitor while we implement a permanent fix.

Update - Thu, 13 Nov 2025 08:44:44 UTC

Zscaler has implemented a mitigation for the issue, and the incident is now resolved. All systems remain fully operational, and we will continue to monitor closely to ensure ongoing stability.