Capetown IV Datacenter Issue

Zscaler has detected an issue with its Capetown IV 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 - Thu, 15 Jan 2026 20:16:24 UTCZscaler is actively working with a network partner that has confirmed a service-affecting issue on primary backbone connectivity. Traffic has been rerouted through alternate paths; however, congestion has been observed on those links. The provider has confirmed that teams are actively engaged and investigations are ongoing. Zscaler teams remain closely engaged and are taking additional actions to stabilize service and minimize customer impact. Further updates will be shared as more information becomes available or if there are material changes.Update - Thu, 15 Jan 2026 19:36:55 UTCPreliminary analysis suggests that the issue is external to Zscaler's infrastructure. Zscaler teams are actively prioritizing the incident and evaluating various options to mitigate the impact, including traffic rerouting to bypass the affected path.Update - Thu, 15 Jan 2026 20:16:24 UTCZscaler is actively working with a network partner that has confirmed a service-affecting issue on primary backbone connectivity. Traffic has been rerouted through alternate paths; however, congestion has been observed on those links. The provider has confirmed that teams are actively engaged and investigations are ongoing. Zscaler teams remain closely engaged and are taking additional actions to stabilize service and minimize customer impact. Further updates will be shared as more information becomes available or if there are material changes.