Unexpected host failure

Question

Some time ago, an unexpected error occurred on the host server and the reboot proceeded.

1. Why is this error occurring?
2. Is this an error that can recur?
3. How can I avoid seeing this error again?

Below are the error phrases found in diagnosing and solving problems.

Active: At 02:41 PM, Sunday, 10 January 2021 UTC, the Azure monitoring system received the following information about the virtual machine resource publicationN:
Sorry. The virtual machine is unavailable because an unexpected error occurred on the host server. Azure has initiated an auto-recovery process and is currently rebooting the host server. No further action is required at this time. After the reboot is complete, the virtual machine comes back online.

Use the links below to stay up to date on health events and learn about the steps recommended by Azure Resource Health.

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please answer about my question. Thank you.

Answer 1

Take a look at this

Answer 2

It 'maybe' a physical server? You need to read the whole section, but Azure (like all cloud services) runs this workload on Servers and they may fail from time to time. You don't say if this was a one off experience or if its happening more often, if so have you moved the VM?

https://learn.microsoft.com/en-us/azure/architecture/high-availability/building-solutions-for-high-availability