Cape Town IV, Johannesburg III Datacenter Issue

Zscaler is currently investigating reports of an issue with its Cape Town IV, Johannesburg III datacenter. We are investigating periods of slowness 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: In ProgressImpacted Services: Third-Party ISP | Traffic Forwarding | All Clouds Latest Update - Tue, 04 Nov 2025 12:46:06 UTCAn issue with a third-party network provider has been identified, and Zscaler teams are actively working to address and mitigate the problem.