FAS Cloud Service Interruption in Azure Brazil South — 5 November 2026

Update timeline

1. identified Nov 05, 2026, 11:56 AM UTC

   Cause: The FAS Cloud service interruption was associated with an Azure infrastructure incident affecting part of a single availability zone in the Brazil South region. Azure reported virtual machine disruptions or reboots, connectivity issues, and service availability degradation. During the incident, both FAS load-balancer nodes in the affected cluster became unhealthy and were subsequently found to have restarted. These disruptions affected the availability of the FAS traffic-processing path. The underlying Azure infrastructure root cause remains under investigation. Customer Impact Starting at 11:21 UTC on 05 Nov 2026, applications served through the affected FAS infrastructure in Azure Brazil South experienced a traffic interruption lasting approximately two hours. Requests through the affected service path could fail or time out. Current Status We are continuing to review the incident and will provide additional information when it becomes available from Azure. We apologize for the disruption to your service.

2. identified Nov 05, 2026, 11:56 AM UTC

   We are continuing to work on a fix for this issue.