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Merge pull request #96306 from tamram/tamram-1118
fixing PS examples for immutable storage
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articles/azure-subscription-service-limits.md

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services: multiple
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author: rothja
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manager: jeffreyg
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tags: billing
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ms.assetid: 60d848f9-ff26-496e-a5ec-ccf92ad7d125
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ms.service: cost-management-billing
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ms.topic: article
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ms.date: 05/30/2019
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ms.date: 11/18/2019
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ms.author: byvinyal
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---
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# Azure subscription and service limits, quotas, and constraints
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This document lists some of the most common Microsoft Azure limits, which are also sometimes called quotas. This document doesn't currently cover all Azure services. Over time, the list will be expanded and updated to cover more services.
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To learn more about Azure pricing, see [Azure pricing overview](https://azure.microsoft.com/pricing/). There, you can estimate your costs by using the [pricing calculator](https://azure.microsoft.com/pricing/calculator/). You also can go to the pricing details page for a particular service, for example, [Windows VMs](https://azure.microsoft.com/pricing/details/virtual-machines/#Windows). For tips to help manage your costs, see [Prevent unexpected costs with Azure billing and cost management](billing/billing-getting-started.md).
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## Limits and Azure Resource Manager
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It's now possible to combine multiple Azure resources into a single Azure resource group. When you use resource groups, limits that once were global become managed at a regional level with Azure Resource Manager. For more information about Azure resource groups, see [Azure Resource Manager overview](azure-resource-manager/resource-group-overview.md).
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In the following list of limits, a new table reflects any differences in limits when you use Azure Resource Manager. For example, there's a **Subscription limits** table and a **Subscription limits - Azure Resource Manager** table. When a limit applies to both scenarios, it's only shown in the first table. Unless otherwise indicated, limits are global across all regions.
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## Service-specific limits
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* [Active Directory](#active-directory-limits)
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* [API Management](#api-management-limits)
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* [App Service](#app-service-limits)
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* [Virtual machine scale sets](#virtual-machine-scale-sets-limits)
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### Subscription limits
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#### Subscription limits - Azure Service Management (classic deployment model)
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[!INCLUDE [azure-subscription-limits](../includes/azure-subscription-limits.md)]
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#### Subscription limits - Azure Resource Manager
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The following limits apply when you use Azure Resource Manager and Azure resource groups. Limits that haven't changed with Azure Resource Manager aren't listed. See the previous table for those limits.
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For information about Resource Manager API read and write limits, see [Throttling Resource Manager requests](resource-manager-request-limits.md).
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[!INCLUDE [azure-subscription-limits-azure-resource-manager](../includes/azure-subscription-limits-azure-resource-manager.md)]
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### Resource group limits
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[!INCLUDE [azure-resource-groups-limits](../includes/azure-resource-groups-limits.md)]
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### Virtual Machines limits
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#### Virtual Machines limits
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[!INCLUDE [azure-virtual-machines-limits](../includes/azure-virtual-machines-limits.md)]
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#### Virtual Machines limits - Azure Resource Manager
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The following limits apply when you use Azure Resource Manager and Azure resource groups.
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[!INCLUDE [azure-virtual-machines-limits-azure-resource-manager](../includes/azure-virtual-machines-limits-azure-resource-manager.md)]
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#### Shared Image Gallery limits
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There are limits, per subscription, for deploying resources using Shared Image Galleries:
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- 100 shared image galleries, per subscription, per region
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- 1,000 image definitions, per subscription, per region
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- 10,000 image versions, per subscription, per region
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### Virtual machine scale sets limits
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[!INCLUDE [virtual-machine-scale-sets-limits](../includes/azure-virtual-machine-scale-sets-limits.md)]
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### Container Instances limits
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[!INCLUDE [container-instances-limits](../includes/container-instances-limits.md)]
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### Container Registry limits
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The following table details the features and limits of the Basic, Standard, and Premium [service tiers](./container-registry/container-registry-skus.md).
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[!INCLUDE [container-registry-limits](../includes/container-registry-limits.md)]
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### Azure Kubernetes Service limits
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[!INCLUDE [container-service-limits](../includes/container-service-limits.md)]
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### Azure Machine Learning limits
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The latest values for Azure Machine Learning Compute quotas can be found in the [Azure Machine Learning quota page](../articles/machine-learning/service/how-to-manage-quotas.md)
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### Networking limits
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[!INCLUDE [azure-virtual-network-limits](../includes/azure-virtual-network-limits.md)]
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#### ExpressRoute limits
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[!INCLUDE [expressroute-limits](../includes/expressroute-limits.md)]
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#### Virtual WAN limits
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[!INCLUDE [virtual-wan-limits](../includes/virtual-wan-limits.md)]
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#### Application Gateway limits
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[!INCLUDE [application-gateway-limits](../includes/application-gateway-limits.md)]
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#### Network Watcher limits
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[!INCLUDE [network-watcher-limits](../includes/network-watcher-limits.md)]
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#### Private Link limits
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[!INCLUDE [private-link-limits](../includes/private-link-limits.md)]
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#### Traffic Manager limits
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[!INCLUDE [traffic-manager-limits](../includes/traffic-manager-limits.md)]
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#### Azure Bastion limits
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[!INCLUDE [Azure Bastion limits](../includes/bastion-limits.md)]
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#### Azure DNS limits
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[!INCLUDE [dns-limits](../includes/dns-limits.md)]
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#### Azure Firewall limits
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[!INCLUDE [azure-firewall-limits](../includes/firewall-limits.md)]
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#### Azure Front Door Service limits
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[!INCLUDE [azure-front-door-service-limits](../includes/front-door-limits.md)]
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### Storage limits
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<!--like # storage accts -->
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[!INCLUDE [azure-storage-limits](../includes/azure-storage-limits.md)]
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[!INCLUDE [azure-storage-limits-azure-resource-manager](../includes/azure-storage-limits-azure-resource-manager.md)]
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#### Azure Blob storage limits
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[!INCLUDE [storage-blob-scale-targets](../includes/storage-blob-scale-targets.md)]
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#### Azure Files limits
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For more information on Azure Files limits, see [Azure Files scalability and performance targets](storage/files/storage-files-scale-targets.md).
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[!INCLUDE [storage-files-scale-targets](../includes/storage-files-scale-targets.md)]
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#### Azure File Sync limits
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[!INCLUDE [storage-sync-files-scale-targets](../includes/storage-sync-files-scale-targets.md)]
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#### Azure Queue storage limits
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[!INCLUDE [storage-queues-scale-targets](../includes/storage-queues-scale-targets.md)]
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#### Azure Table storage limits
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[!INCLUDE [storage-tables-scale-targets](../includes/storage-tables-scale-targets.md)]
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<!-- conceptual info about disk limits -- applies to unmanaged and managed -->
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#### Virtual machine disk limits
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[!INCLUDE [azure-storage-limits-vm-disks](../includes/azure-storage-limits-vm-disks.md)]
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For more information, see [Virtual machine sizes](virtual-machines/linux/sizes.md?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json).
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[!INCLUDE [azure-storage-limits-vm-disks-premium](../includes/azure-storage-limits-vm-disks-premium.md)]
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### Azure Cloud Services limits
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[!INCLUDE [azure-cloud-services-limits](../includes/azure-cloud-services-limits.md)]
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### Azure Cognitive Services limits
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[!INCLUDE [azure-cloud-services-limits](../includes/azure-cognitive-services-limits.md)]
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### App Service limits
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The following App Service limits include limits for Web Apps, Mobile Apps, and API Apps.
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[!INCLUDE [azure-websites-limits](../includes/azure-websites-limits.md)]
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### Functions limits
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[!INCLUDE [functions-limits](../includes/functions-limits.md)]
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### Scheduler limits
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[!INCLUDE [scheduler-limits-table](../includes/scheduler-limits-table.md)]
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### Batch limits
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[!INCLUDE [azure-batch-limits](../includes/azure-batch-limits.md)]
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### BizTalk Services limits
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The following table shows the limits for Azure BizTalk Services.
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[!INCLUDE [biztalk-services-service-limits](../includes/biztalk-services-service-limits.md)]
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### Azure Cosmos DB limits
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For Azure Cosmos DB limits, see [Limits in Azure Cosmos DB](cosmos-db/concepts-limits.md).
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### Azure Database for MySQL
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For Azure Database for MySQL limits, see [Limitations in Azure Database for MySQL](mysql/concepts-limits.md).
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### Azure Database for PostgreSQL
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For Azure Database for PostgreSQL limits, see [Limitations in Azure Database for PostgreSQL](postgresql/concepts-limits.md).
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### Azure Cognitive Search limits
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Pricing tiers determine the capacity and limits of your search service. Tiers include:
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* **Free** multitenant service, shared with other Azure subscribers, is intended for evaluation and small development projects.
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* **Free** multi-tenant service, shared with other Azure subscribers, is intended for evaluation and small development projects.
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To learn more about limits on a more granular level, such as document size, queries per second, keys, requests, and responses, see [Service limits in Azure Cognitive Search](search/search-limits-quotas-capacity.md).
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### Media Services limits
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[!INCLUDE [azure-mediaservices-limits](../includes/azure-mediaservices-limits.md)]
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### Content Delivery Network limits
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[!INCLUDE [cdn-limits](../includes/cdn-limits.md)]
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[!INCLUDE [mobile-services-limits](../includes/mobile-services-limits.md)]
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### Notification Hubs limits
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[!INCLUDE [notification-hub-limits](../includes/notification-hub-limits.md)]
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### Event Hubs limits
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[!INCLUDE [azure-servicebus-limits](../includes/event-hubs-limits.md)]
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### Service Bus limits
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[!INCLUDE [azure-servicebus-limits](../includes/service-bus-quotas-table.md)]
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### IoT Central limits
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[!INCLUDE [iot-central-limits](../includes/iot-central-limits.md)]
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### IoT Hub limits
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[!INCLUDE [azure-iothub-limits](../includes/iot-hub-limits.md)]
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### IoT Hub Device Provisioning Service limits
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[!INCLUDE [azure-iotdps-limits](../includes/iot-dps-limits.md)]
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### Data Factory limits
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[!INCLUDE [azure-data-factory-limits](../includes/azure-data-factory-limits.md)]
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### Data Lake Analytics limits
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[!INCLUDE [azure-data-lake-analytics-limits](../includes/azure-data-lake-analytics-limits.md)]
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### Data Lake Store limits
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[!INCLUDE [azure-data-lake-store-limits](../includes/azure-data-lake-store-limits.md)]
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### Database Migration Service Limits
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[!INCLUDE [database-migration-service-limits](../includes/database-migration-service-limits.md)]
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### Stream Analytics limits
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[!INCLUDE [stream-analytics-limits-table](../includes/stream-analytics-limits-table.md)]
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### Active Directory limits
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[!INCLUDE [AAD-service-limits](../includes/active-directory-service-limits-include.md)]
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### Event Grid limits
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[!INCLUDE [event-grid-limits](../includes/event-grid-limits.md)]
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### Azure Maps limits
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[!INCLUDE [maps-limits](../includes/maps-limits.md)]
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### Azure Policy limits
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[!INCLUDE [policy-limits](../includes/azure-policy-limits.md)]
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[!INCLUDE [storsimple-limits-table](../includes/storsimple-limits-table.md)]
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### Backup limits
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[!INCLUDE [azure-backup-limits](../includes/azure-backup-limits.md)]
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[!INCLUDE [signalr-service-limits](../includes/signalr-service-limits.md)]
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[!INCLUDE [site-recovery-limits](../includes/site-recovery-limits.md)]
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### API Management limits
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[!INCLUDE [api-management-service-limits](../includes/api-management-service-limits.md)]
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### Azure Cache for Redis limits
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[!INCLUDE [redis-cache-service-limits](../includes/redis-cache-service-limits.md)]
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### Key Vault limits
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[!INCLUDE [key-vault-limits](../includes/key-vault-limits.md)]
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### Multi-Factor Authentication limits
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[!INCLUDE [azure-mfa-service-limits](../includes/azure-mfa-service-limits.md)]
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### Automation limits
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[!INCLUDE [automation-limits](../includes/azure-automation-service-limits.md)]
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[!INCLUDE [automation-limits](~/includes/managed-identity-limits.md)]
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[!INCLUDE [role-based-access-control-limits](../includes/role-based-access-control-limits.md)]
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For SQL Database limits, see [SQL Database resource limits for single databases](sql-database/sql-database-vcore-resource-limits-single-databases.md), [SQL Database resource limits for elastic pools and pooled databases](sql-database/sql-database-vcore-resource-limits-elastic-pools.md), and [SQL Database resource limits for managed instances](sql-database/sql-database-managed-instance-resource-limits.md).
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## See also
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- [Understand Azure limits and increases](https://azure.microsoft.com/blog/2014/06/04/azure-limits-quotas-increase-requests/)
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- [Virtual machine and cloud service sizes for Azure](virtual-machines/linux/sizes.md?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)
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- [Sizes for Azure Cloud Services](cloud-services/cloud-services-sizes-specs.md)
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* [Understand Azure limits and increases](https://azure.microsoft.com/blog/2014/06/04/azure-limits-quotas-increase-requests/)
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* [Virtual machine and cloud service sizes for Azure](virtual-machines/linux/sizes.md?toc=%2fazure%2fvirtual-machines%2flinux%2ftoc.json)
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* [Sizes for Azure Cloud Services](cloud-services/cloud-services-sizes-specs.md)

articles/storage/blobs/TOC.yml

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href: storage-blob-containers-list.md
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- name: Manage properties and metadata (.NET)
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- name: Set and manage immutability policies
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- name: Create and manage blobs
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- name: List blobs (.NET)

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