Unexpected VM reboots – Applying Mitigation

Impact Statement: Starting at approximately 01:40 UTC on 25 Feb 2025, Azure customers in East US 2 may have experienced VM reboots and/or increased response latencies in the region.

Current Status: A configuration change to a host health monitoring system in East US 2 caused the system to erroneously conclude that network devices on the host were unhealthy. The system then reloaded some of these devices in an attempt to correct the fault. This resulted in VM freezes and reboots. The change has since been rolled back, and the repair system’s ability to issue these reload events has been disabled. We are validating that mitigation is fully complete. The impact was limited to eastus2 region. Next update will follow in 60 mins or once mitigation is complete. 

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