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Availability zone migration guidance overview for Microsoft Azure products and services

Azure services that support availability zones, including zonal and zone-redundant offerings, are continually expanding. For that reason, resources that don't currently have availability zone support, may have an opportunity to gain that support. The Migration Guides section offers a collection of guides for each service that requires certain procedures in order to move a resource from non-availability zone support to availability support. You'll find information on prerequisites for migration, download requirements, important migration considerations and recommendations.

To check the readiness of your application for availability zone support, see Azure availability zone migration baseline.

The table below lists each product that offers migration guidance and/or information.

Azure services migration guides

An icon that signifies this service is foundational. Foundational services

Products
Azure Application Gateway (V2)
Azure Backup and Azure Site Recovery
Azure ExpressRoute
Azure Functions
Azure Load Balancer
Azure Service Fabric
Azure SQL Database
Azure Storage account: Blob Storage, Azure Data Lake Storage, Files Storage
Azure Storage: Managed Disks
Azure Virtual Machines and Azure Virtual Machine Scale Sets

*VMs that support availability zones: AV2-series, B-series, DSv2-series, DSv3-series, Dv2-series, Dv3-series, ESv3-series, Ev3-series, F-series, FS-series, FSv2-series, and M-series.

An icon that signifies this service is mainstream. Mainstream services

Products
Azure API Management
Azure App Configuration
Azure App Service
Azure Batch
Azure Cache for Redis
Azure AI Search
Azure Container Apps
Azure Container Instances
Azure Container Registry
Azure Cosmos DB
Azure Database for MySQL - Flexible Server
Azure Database for PostgreSQL
Azure Elastic SAN
Azure Functions
Azure HDInsight
Azure Kubernetes Service
Azure Logic Apps
Azure Monitor: Log Analytics
Azure Service Bus
Azure SQL Managed Instance

Workload and general guidance

Workloads
Azure Kubernetes Service (AKS) and MySQL Flexible Server

Next steps