Updates

Author: johndowns

articles/reliability/availability-zones-service-support.md

@@ -4,7 +4,7 @@ description: Learn which Azure services offer availability zone support.
 ms.service: azure
 ms.subservice: azure-reliability
 ms.topic: conceptual
-ms.date: 01/16/2025
+ms.date: 03/24/2025
 ms.author: anaharris
 author: anaharris-ms
 ms.custom: subject-reliability
@@ -26,27 +26,23 @@ Some Azure services don't support availability zones because they are:
 For more information on older-generation virtual machines, see [Previous generations of virtual machine sizes](/azure/virtual-machines/sizes-previous-gen).
 
 ## 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.
+The following tables provide a summary of the current offering of zonal and zone-redundant Azure services.
 
-##### Legend
+Some Azure services are *nonregional*, which means that you don't deploy the service into a specific Azure region or configure availability zone support. To learn more, see [Nonregional Azure services](./regions-nonregional-services.md).
 
-![Legend containing icons and meaning of each with respect to regional availability of each service in the table.](media/legend.png) 
+##### Legend
 
-In the Product Catalog, always-available services are listed as "non-regional" services.
+![Legend containing icons and meaning of each with respect to regional availability of each service in the table.](media/legend.png) <!-- TODO redo as table, and remove always available -->
 
->[!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.
+> [!IMPORTANT]
+> Even though some services might support availability zones, they might have specific requirements to use them on your resources. For example, some may only support availability zones for certain tiers or regions. To get more information on a service's requirements for availability zone support, select that service in the following table.
 
 ### AI and machine learning
 
 | **Product**   | **Availability zone support**  |
 | --- | --- |
 | [Azure AI Search](/azure/search/search-reliability#availability-zones) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Bot Services  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-
 
 ### Analytics
 
@@ -152,17 +148,12 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | [Azure Database for PostgreSQL – Flexible Server](./reliability-postgresql-flexible-server.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure ExpressRoute](../expressroute/designing-for-high-availability-with-expressroute.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg)  |
 | [Azure SQL Database](migrate-sql-database.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Stack Edge  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Defender for Cloud  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Sentinel  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Identity
 
 | **Product**   | **Availability zone support**    |
 | --- | --- |
-| Microsoft Defender for Identity  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Microsoft Entra Domain Services](../active-directory-domain-services/overview.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Microsoft Entra ID  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Integration
 
@@ -187,49 +178,27 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | [Azure IoT Hub](../iot-hub/iot-hub-ha-dr.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure IoT Hub Device Provisioning Service](../iot-dps/about-iot-dps.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Logic Apps](../logic-apps/logic-apps-overview.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Maps  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Notification Hubs](reliability-notification-hubs.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Performance Diagnostics  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | Azure Stream Analytics | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg)  |
-| Microsoft Defender for IoT  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Intune  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Management and governance
 
 | **Product**   | **Availability zone support**    |
 | --- | --- |
-| Azure Advisor  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Automation](../automation/automation-availability-zones.md)| ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Backup](reliability-backup.md#availability-zone-support)  | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Blueprints  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Cloud Shell  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Lighthouse  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Managed Applications  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Monitor](/azure/azure-monitor/logs/availability-zones)  | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Monitor: Application Insights](/azure/azure-monitor/logs/availability-zones)  | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Monitor: Log Analytics](./migrate-monitor-log-analytics.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Network Watcher](../network-watcher/frequently-asked-questions.yml) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Network Watcher: Traffic Analytics](../network-watcher/frequently-asked-questions.yml) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Policy  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure portal  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Resource Graph  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Site Recovery](migrate-recovery-services-vault.md) | ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
-| Azure Traffic Manager  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Cost Management | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Graph  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-
-### Media
-
-| **Product**   | **Availability zone support**    |
-| --- | --- |
-| Azure Content Delivery Network  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Migration
 
 | **Product**   | **Availability zone support**    |
 | --- | --- |
 | [Azure Site Recovery](migrate-recovery-services-vault.md) | ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
-| Microsoft Cost Management | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Mobile
 
@@ -239,7 +208,6 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | [Azure API Management](migrate-api-mgt.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
 | [Azure App Configuration](../azure-app-configuration/faq.yml#how-does-app-configuration-ensure-high-data-availability) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure App Service](./reliability-app-service.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Maps  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Notification Hubs](reliability-notification-hubs.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 
 ### Networking
@@ -248,24 +216,19 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | --- | --- |
 | [Azure Application Gateway (V2)](migrate-app-gateway-v2.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal.](media/icon-zonal.svg)  |
 | [Azure Bastion](../bastion/bastion-overview.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
-| Azure Content Delivery Network  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure DDoS Protection](./reliability-ddos.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure DNS  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure DNS: Azure DNS Private Zones](../dns/private-dns-getstarted-portal.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg)  |
 | [Azure DNS: Azure DNS Private Resolver](../dns/dns-private-resolver-get-started-portal.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg)  |
 | [Azure ExpressRoute](../expressroute/designing-for-high-availability-with-expressroute.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg)  |
 | [Azure Firewall](../firewall/deploy-availability-zone-powershell.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal.](media/icon-zonal.svg)  |
 | [Azure Firewall Manager](../firewall-manager/quick-firewall-policy.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Front Door  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Load Balancer](reliability-load-balancer.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
 | [Azure NAT Gateway](../nat-gateway/nat-availability-zones.md) | ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
 | [Azure Network Watcher](../network-watcher/frequently-asked-questions.yml) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Network Watcher: Traffic Analytics](../network-watcher/frequently-asked-questions.yml) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Peering Service  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Public IP](../virtual-network/ip-services/public-ip-addresses.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal.](media/icon-zonal.svg) |
 | [Azure Private Link](../private-link/private-link-overview.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Route Server](../route-server/route-server-faq.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Traffic Manager  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Virtual Network](../virtual-network/virtual-networks-overview.md?toc=/azure/reliability/toc.json&bc=/azure/reliability/breadcrumb/toc.json#virtual-networks-and-availability-zones) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Virtual WAN](../virtual-wan/virtual-wan-faq.md#how-are-availability-zones-and-resiliency-handled-in-virtual-wan) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | Azure Virtual WAN: [Azure ExpressRoute](../virtual-wan/virtual-wan-faq.md#how-are-availability-zones-and-resiliency-handled-in-virtual-wan) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
@@ -283,16 +246,9 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | [Azure Disk Encryption](/azure/virtual-machines/disks-redundancy) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Firewall](../firewall/deploy-availability-zone-powershell.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal.](media/icon-zonal.svg)  |
 | [Azure Firewall Manager](../firewall-manager/quick-firewall-policy.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Front Door  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Information Protection  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Key Vault](/azure/key-vault/general/disaster-recovery-guidance) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure VPN Gateway](../vpn-gateway/about-zone-redundant-vnet-gateways.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Customer Lockbox for Microsoft Azure  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Defender for Cloud  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Defender for Identity  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Microsoft Defender for IoT  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Microsoft Entra Domain Services](../active-directory-domain-services/overview.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Microsoft Sentinel  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 
 ### Storage
 
@@ -319,14 +275,14 @@ In the Product Catalog, always-available services are listed as "non-regional" s
 | [Azure App Service](./reliability-app-service.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure App Service: App Service Environment](./reliability-app-service.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) ![An icon that signifies this service is zonal](media/icon-zonal.svg) |
 | [Azure Container Apps](reliability-azure-container-apps.md#availability-zone-support) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
-| Azure Content Delivery Network  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
-| Azure Maps  | ![An icon that signifies this service is always available.](media/icon-always-available.svg) |
 | [Azure Notification Hubs](reliability-notification-hubs.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure SignalR Service](../azure-signalr/availability-zones.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 | [Azure Web PubSub](../azure-web-pubsub/concept-availability-zones.md) | ![An icon that signifies this service is zone redundant.](media/icon-zone-redundant.svg) |
 
 ## Next steps
 
+- [Nonregional Azure services](./regions-nonregional-services.md)
+
 - [List of Azure regions](regions-list.md)
 
 - [Availability zone migration guidance overview](availability-zones-migration-overview.md)