Outage in Zscaler

Issue with Kerberos Authentication

Resolved Minor
November 20, 2025 - Started 10 days ago - Lasted about 1 hour

Incident Report

Zscaler has detected an issue with our Hong Kong III, Singapore IV, Singapore V datacenter wherein a small subset of users are facing issues with Kerberos Authentication. 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.

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