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Azure periodically updates its platform to improve the reliability, performance, and security of the host infrastructure for virtual machines.
Virtual Machine related Planned Maintenance notifications are available under Azure Service Health in the Azure portal as it publishes the upcoming Maintenance events.
https://azure.microsoft.com/en-us/get-started/azure-portal/service-health/#overview
With the Maintenance Configurations feature, you can control when to apply updates to various Azure resources by using Azure portal.
https://learn.microsoft.com/en-us/azure/virtual-machines/maintenance-configurations-portal
You can also try using Azure Update Manager to create and save recurring deployment schedules.
Please use below documentation for more information.
https://learn.microsoft.com/en-us/azure/virtual-machines/maintenance-notifications-powershell
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