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Azure services with availability zone support

Azure availability zones are physically separate locations within each Azure region. This article shows you which services support availability zones.

Azure is continually expanding the number of services that support availability zones, including zonal and zone-redundant offerings.

Always-available services

Some Azure services don't support availability zones because they are:

  • Available across multiple Azure regions within a geographic area, or even across all Azure regions globally.
  • Resilient to zone-wide outages.
  • Resilient to region-wide outages. For more information on older-generation virtual machines, see Previous generations of virtual machine sizes.

Azure services with availability zone support

The following tables provide a summary of the current offering of zonal, zone-redundant, and always-available Azure services. They list Azure offerings according to the regional availability of each.

Important

To learn more about availability zones support and available services in your region, contact your Microsoft sales or customer representative.

Legend

Legend containing icons and meaning of each with respect to regional availability of each service in the table.

In the Product Catalog, always-available services are listed as "non-regional" services.

Important

Some services, although they are zone-redundant, may have limited support for availability zones. For example, some may only support availability zones for certain tiers, regions, or SKUs. To get more information on service limitations for availability zone support, select that service in the following table.

AI and machine learning

Product Reliability
Azure AI Search An icon that signifies this service is zone redundant.
Azure Bot Services An icon that signifies this service is always available.

Analytics

Compute

Product Reliability
Azure App Service An icon that signifies this service is zone redundant.
Azure App Service: App Service Environment An icon that signifies this service is zone redundant. An icon that signifies this service is zonal
Azure Batch An icon that signifies this service is zone redundant.
Azure Container Apps An icon that signifies this service is zone redundant.
Azure Container Instances An icon that signifies this service is zonal
Azure Functions An icon that signifies this service is zone redundant.
Azure Kubernetes Service (AKS) An icon that signifies this service is zone redundant. An icon that signifies this service is zonal
Azure Service Fabric An icon that signifies this service is zone redundant. An icon that signifies this service is zonal.
Azure Spring Apps An icon that signifies this service is zone redundant.
Azure Virtual Machine Scale Sets An icon that signifies this service is zone redundant. An icon that signifies this service is zonal.
Azure Virtual Machines An icon that signifies this service is zonal.
Azure Virtual Machines: Av2-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Bs-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Ddsv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Ddv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: DSv2-Series An icon that signifies this service is zonal.
Azure Virtual Machines: DSv3-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Dsv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Dv2-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Dv3-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Dv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Edsv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Edv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: ESv3-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Esv4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Ev3-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Ev4-Series An icon that signifies this service is zonal.
Azure Virtual Machines: F-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Fsv2-Series An icon that signifies this service is zonal.
Azure Virtual Machines: FS-Series An icon that signifies this service is zonal.
Azure Virtual Machines: M-Series An icon that signifies this service is zonal.
Azure Virtual Machines: Azure Compute Gallery An icon that signifies this service is zone redundant.
Azure Virtual Machines: Azure Dedicated Host An icon that signifies this service is zonal.
Azure VMware Solution An icon that signifies this service is zonal.
SQL Server on Azure Virtual Machines An icon that signifies this service is zone redundant.

*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.*

Containers

Databases

Developer tools

DevOps

Product Reliability
Azure Monitor Logs An icon that signifies this service is zone redundant.

Hybrid and multicloud

Product Reliability
Azure Database for PostgreSQL – Flexible Server An icon that signifies this service is zone redundant.
Azure ExpressRoute An icon that signifies this service is zone redundant.
Azure SQL Database An icon that signifies this service is zone redundant.
Azure Stack Edge An icon that signifies this service is always available.
Microsoft Defender for Cloud An icon that signifies this service is always available.
Microsoft Sentinel An icon that signifies this service is always available.

Identity

Product Reliability
Microsoft Defender for Identity An icon that signifies this service is always available.
Microsoft Entra Domain Services An icon that signifies this service is zone redundant.
Microsoft Entra ID An icon that signifies this service is always available.

Integration

Internet of Things

Product Reliability
Azure API Management An icon that signifies this service is zone redundant. An icon that signifies this service is zonal
Azure Cosmos DB for NoSQL An icon that signifies this service is zone redundant.
Azure Event Grid An icon that signifies this service is zone-redundant
Azure Functions An icon that signifies this service is zone redundant.
Azure IoT Hub An icon that signifies this service is zone redundant.
Azure IoT Hub Device Provisioning Service An icon that signifies this service is zone redundant.
Azure Logic Apps An icon that signifies this service is zone redundant.
Azure Maps An icon that signifies this service is always available.
Azure Notification Hubs An icon that signifies this service is zone redundant.
Azure Performance Diagnostics An icon that signifies this service is always available.
Azure Stream Analytics An icon that signifies this service is zone redundant.
Microsoft Defender for IoT An icon that signifies this service is always available.
Microsoft Intune An icon that signifies this service is always available.

Management and governance

Product Reliability
Azure Advisor An icon that signifies this service is always available.
Azure Automation An icon that signifies this service is zone redundant.
Azure Backup An icon that signifies this service is zone redundant.
Azure Blueprints An icon that signifies this service is always available.
Azure Cloud Shell An icon that signifies this service is always available.
Azure Lighthouse An icon that signifies this service is always available.
Azure Managed Applications An icon that signifies this service is always available.
Azure Monitor An icon that signifies this service is zone redundant.
Azure Monitor: Application Insights An icon that signifies this service is zone redundant.
Azure Monitor: Log Analytics An icon that signifies this service is zone redundant.
Azure Network Watcher An icon that signifies this service is zone redundant.
Azure Network Watcher: Traffic Analytics An icon that signifies this service is zone redundant.
Azure Policy An icon that signifies this service is always available.
Azure portal An icon that signifies this service is always available.
Azure Resource Graph An icon that signifies this service is always available.
Azure Site Recovery An icon that signifies this service is zonal
Azure Traffic Manager An icon that signifies this service is always available.
Microsoft Cost Management An icon that signifies this service is always available.
Microsoft Graph An icon that signifies this service is always available.

Media

Product Reliability
Azure Content Delivery Network An icon that signifies this service is always available.

Migration

Product Reliability
Azure Site Recovery An icon that signifies this service is zonal
Microsoft Cost Management An icon that signifies this service is always available.

Mobile

Networking

Security

Product Reliability
Azure Application Gateway (V2) An icon that signifies this service is zone redundant. An icon that signifies this service is zonal.
Azure Bastion An icon that signifies this service is zone redundant. An icon that signifies this service is zonal
Azure DDoS Protection An icon that signifies this service is zone redundant.
Azure Disk Encryption An icon that signifies this service is zone redundant.
Azure Firewall An icon that signifies this service is zone redundant. An icon that signifies this service is zonal.
Azure Firewall Manager An icon that signifies this service is zone redundant.
Azure Front Door An icon that signifies this service is always available.
Azure Information Protection An icon that signifies this service is always available.
Azure Key Vault An icon that signifies this service is zone redundant.
Azure VPN Gateway An icon that signifies this service is zone redundant.
Customer Lockbox for Microsoft Azure An icon that signifies this service is always available.
Microsoft Defender for Cloud An icon that signifies this service is always available.
Microsoft Defender for Identity An icon that signifies this service is always available.
Microsoft Defender for IoT An icon that signifies this service is always available.
Microsoft Entra Domain Services An icon that signifies this service is zone redundant.
Microsoft Sentinel An icon that signifies this service is always available.

Storage

Web

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