Connectivity Issues Affecting India Data Centers

Zscaler has detected an issue with its Chennai II, Hyderabad I, Kolkata I, Mumbai VI, Mumbai VII, New Delhi I 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 - Sat, 28 Feb 2026 15:07:40 UTCZscaler has observed that network connectivity has stabilized and services are fully reachable. Continued validation and monitoring confirm that performance is operating within expected levels. The disruption was associated with prolonged subsea cable issues impacting international network paths, resulting in transient connectivity loss between regions. Zscaler teams will continue investigating upstream network paths and may engage with relevant partners as needed to further isolate contributing factors. At this time, services remain stable, and enhanced monitoring is in place to ensure continued reliability.Update - Sat, 28 Feb 2026 12:23:37 UTCZscaler has identified a connectivity disruption affecting multiple India data centers. The issue is due to upstream international network congestion linked to transcontinental fiber impairments. Customers may experience increased latency, slowness, and degraded performance when accessing US- and Europe-hosted destinations via ZIA and ZPA. For immediate resolution we suggest to divert traffic to an alternate DC.Update - Sat, 28 Feb 2026 15:07:40 UTCZscaler has observed that network connectivity has stabilized and services are fully reachable. Continued validation and monitoring confirm that performance is operating within expected levels. The disruption was associated with prolonged subsea cable issues impacting international network paths, resulting in transient connectivity loss between regions. Zscaler teams will continue investigating upstream network paths and may engage with relevant partners as needed to further isolate contributing factors. At this time, services remain stable, and enhanced monitoring is in place to ensure continued reliability.