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SLA summary for Azure services

Last updated: March 2018

Azure Active Directory

We guarantee at least 99.9% availability of the Azure Active Directory Basic and Premium services. The services are considered available in the following scenarios:

  • Users are able to log in to the service, log in to the Access Panel, access applications on the Access Panel and reset passwords.
  • IT administrators are able to create, read, write and delete entries in the directory, or provision or de-provision users to applications in the directory.

No SLA is provided for the Free tier of Azure Active Directory.

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Azure Active Directory B2C

We guarantee at least 99.9% availability of the Azure Active Directory B2C service. The service is considered available for a directory in the following scenarios:

  • The service is able to process user sign-up, sign-in, profile editing, password reset and multi-factor authentication requests.
  • Developers are able to create, read, write and delete entries in the directory.

No SLA is provided for the Free tier of Azure Active Directory B2C.

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Azure Active Directory Domain Services

We guarantee at least 99.9% of Azure Active Directory Domain Services requests for domain authentication of user accounts belonging to the managed domain, LDAP bind to the root DSE or DNS lookup of records will complete successfully.

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Azure Advisor

Advisor is a free service, and therefore doesn’t have a financially backed SLA.

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Azure Analysis Services

We guarantee that at least 99.9% of the time Client Operations executed on an Azure Analysis Services server will succeed.

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API Management

  • We guarantee that API Management Service instances running in the Standard tier will respond to requests to perform operations at least 99.9% of the time.
  • We guarantee that API Management Service instances running in the Premium tier deployed across two or more regions will respond to requests to perform operations at least 99.95% of the time.

No SLA is provided for the Developer tier of the API Management Service.

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App Service

We guarantee that Apps running in a customer subscription will be available 99.95% of the time. No SLA is provided for Apps under either the Free or Shared tiers.

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Application Gateway

We guarantee that each Application Gateway Cloud Service, having two or more medium or larger instances, will be available at least 99.95% of the time.

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Application Insights

We guarantee that the data latency of the Application Insights Service will not exceed two hours 99.9% of the time.

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Automation

We guarantee that at least 99.9% of runbook jobs will start within 30 minutes of their planned start times.

We guarantee at least 99.9% availability of the Azure Automation DSC agent service.

No SLA is provided for the Free tier of Azure Automation.

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Azure DevOps

  • We guarantee at least 99.9% availability of Azure DevOps Services for paid Azure DevOps Services users, including users with paid User-Based Extensions to Azure DevOps Services, to access the associated Azure DevOps Services account.
  • We guarantee at least 99.9% availability to execute load testing operations using the paid Azure Test Plans Load Testing Service.
  • We guarantee at least 99.9% availability to execute build and deployment operations using the paid Azure Pipelines.

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Azure Firewall

Azure Firewall offers fully stateful native firewall capabilities for Virtual Network resources, with built-in high availability and the ability to scale automatically.

We guarantee that Azure Firewall will be available at least 99.95% of the time.

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Azure Maps

We guarantee that Azure Maps will be available at least 99.9% of the time.

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Azure Policy

Azure Policy is a free service, therefore, it does not have a financially backed SLA.

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Azure Databricks

We guarantee that Azure Databricks will be available 99.95% of the time.

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Azure Backup

We guarantee at least 99.9% availability of the backup and restore functionality of the Azure Backup service.

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BizTalk Services

We guarantee that, at least 99.9% of the time, customers will have connectivity between their BizTalk Service Environments in the Basic, Standard and Premium tiers and our Internet gateway. We do not offer an SLA for the BizTalk Services Developer tier.

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Azure Bot Service

We guarantee that 99.9% of the time the Azure Bot Service Premium Channels will successfully receive and respond to REST API calls to the Premium Channels API Endpoint.

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Cache

We guarantee that, at least 99.9% of the time, customers will have connectivity between the Cache endpoints and our Internet gateway.

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Cognitive Services

We guarantee that Cognitive Services running in the Standard tier will be available at least 99.9% of the time. No SLA is provided for the free tier.

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Content Delivery Network

We guarantee that, at least 99.9% of the time, CDN will respond to client requests and deliver the requested content without error. We will review and accept data from any commercially reasonable independent measurement system that you choose to use to monitor your content. You must select a set of agents from the measurement system’s list of standard agents that are generally available and represent at least five geographically diverse locations in major worldwide metropolitan areas (excluding PR of China).

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Cloud Services and Virtual Machines

  • For Cloud Services, we guarantee that when you deploy two or more role instances in different fault and upgrade domains, at least one role instance will have Role Instance Connectivity at least 99.95% of the time.
  • For all Virtual Machines that have two or more instances deployed in the same Availability Set, we guarantee that you will have Virtual Machine Connectivity to at least one instance at least 99.95% of the time.
  • For any Single Instance Virtual Machine using premium storage for all disks, we guarantee connectivity of at least 99.9% for your Virtual Machine.

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Container Registry

Azure Container Registry is a free service and therefore does not have a financially backed SLA. However, for the availability of underlying storage, the Storage SLA applies. See the Storage SLA for further details.

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Azure Cosmos DB

Azure Cosmos DB is Microsoft's globally distributed multi-model database service. It offers turnkey global distribution across any number of Azure regions by transparently scaling and replicating your data wherever your users are. The service offers comprehensive 99.99% SLAs which covers the guarantees for throughput, consistency, availability and latency for the Cosmos DB Database Accounts scoped to a single Azure region configured with any of the five Consistency Levels or Database Accounts spanning multiple Azure regions, configured with any of the four relaxed Consistency Levels. Azure Cosmos DB allows configuring multiple Azure regions as writable endpoints for a Database Account. In this configuration, Cosmos DB offers 99.999% SLA for both read and write availability.

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Data Catalog

  • We guarantee at least 99.9% availability of the Data Catalog Standard Edition for Data Catalog Administrators to complete the operation of adding and/or removing users.
  • We guarantee at least 99.9% availability of the Data Catalog Standard Edition for Data Catalog users to execute API calls to the Data Catalog service for registering, searching for and deleting entries.

No SLA is provided for the Free edition of Azure Data Catalog

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Data Lake Analytics

We guarantee that Data Lake Analytics will be available at least 99.9% of the time.

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Azure Data Lake Storage Gen1

We guarantee that Data Lake Store will be available at least 99.9% of the time.

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Azure DDoS Protection

We guarantee that Azure DDoS Protection Service will be available at least 99.99% of the time.

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Azure DevTest Labs

Azure DevTest Labs is a free service; therefore, it does not have a financially backed SLA itself. The availability of your Lab is based on the SLA of the underlying virtual machines, storage and key vault resources used. Please see the Virtual Machine SLA, Storage SLA and Key Vault SLA for more details.

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Azure DNS

We guarantee that valid DNS requests will receive a response from at least one Azure DNS name server at least 99.99% of the time.

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Event Grid

We guarantee that Customers will be able to publish messages to Event Grid 99.99% of the time.

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Event Hubs

For Event Hubs Basic and Standard tiers, we guarantee that at least 99.9% of the time, properly configured applications will be able to send or receive messages or perform other operations on the Event Hub.

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ExpressRoute

We guarantee a minimum of 99.95% ExpressRoute dedicated circuit availability.

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Functions

For Function Apps running on App Service Plans, we guarantee that the associated Functions compute will be available 99.95% of the time.

No SLA is provided for Functions Apps running under Consumption Plans.

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HockeyApp

We guarantee at least 99.9% availability of the HockeyApp Service.

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HDInsight

For HDInsight, we guarantee that any HDInsight Cluster that you deploy will have external connectivity at least 99.9% of the time over a monthly billing cycle.

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IoT Central

We guarantee that IoT Central will be available at least 99.9% of the time.

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IoT Edge

Azure IoT Edge is a free service, therefore, it does not have a financially backed SLA.

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IoT Hub

  • For IoT Hub, we promise that at least 99.9% of the time, deployed IoT hubs will be able to send messages to and receive messages from registered devices, and the Service will be able to perform create, read, update and delete operations on IoT hubs.
  • For the IoT Hub Device Provisioning Service, we promise that at least 99.9% of the time, deployed provisioning services will be able to receive provisioning requests from devices and register them to an IoT hub.
  • No SLA is provided for the Free Tier of IoT Hub.

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Key Vault

We guarantee that we will process Key Vault transactions within 5 seconds at least 99.9% of the time.

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Azure Kubernetes Service (AKS)

As a free service, AKS does not offer a financially-backed service level agreement. We will strive to attain at least 99.5% availability for the Kubernetes API server. The availability of the agent nodes in your cluster is covered by the Virtual Machines SLA. Please see the Virtual Machines SLA for more details.

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Log Analytics

Azure Monitor now integrates the capabilities of Log Analytics and Application Insights for monitoring of your application. You may also continue using Log Analytics and Application Insights as stand-alone services, if desired. See their respective SLAs below.

Azure Monitor SLA

Application Insights SLA

We guarantee that at least 99.9% of the time, log data will be indexed within six hours of the data being queued for indexing by the Operations Management Suite Log Analytics Service.

No SLA is provided for the Free tier of Operations Management Suite Log Analytics.

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Load Balancer

We guarantee that a load-balanced endpoint using Azure Standard Load Balancer, serving two or more Healthy Virtual Machine Instances, will be available 99.99% of the time.

Basic Load Balancer is excluded from this SLA.

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Logic Apps

We guarantee that Logic Apps running in a customer subscription will be available 99.9% of the time.

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Machine Learning Studio

  • For the Request Response Service (RRS), we guarantee 99.95% availability of API transactions.
  • For the Batch Execution Service (BES) and management APIs, we guarantee 99.9% availability of API transactions.

No SLA is provided for the Free tier of Machine Learning.

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Azure Managed Applications

Azure Managed Applications does not have a financially backed SLA of its own. The underlying infrastructure and software services are governed by their own SLAs.

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Managed Disks

Managed Disks does not have a financially backed SLA itself. The availability of Managed Disks is based on the SLA of the underlying storage used and virtual machine to which it is attached. Please see the Virtual machines and Storage SLA for more details.

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Media Services

  • For Media Services Encoding, we guarantee 99.9% availability of REST API transactions.
  • For Streaming, we will successfully service requests with a 99.9% availability guarantee for existing media content when at least one Streaming Unit is purchased.
  • For Live Channels, we guarantee that running Channels will have external connectivity at least 99.9% of the time.
  • For Content Protection, we guarantee that we will successfully fulfil key requests at least 99.9% of the time.
  • For Indexer, we will successfully service Indexer Task requests processed with an Encoding Reserved Unit 99.9% of the time.

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Mobile Services

We guarantee 99.9% availability of REST API calls to all provisioned Azure Mobile Services running in Standard and Premium tiers in a customer subscription. No SLA is provided for the Free tier of Mobile Services.

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Azure Monitor

Azure Monitor now integrates the capabilities of Log Analytics and Application Insights for monitoring of your application. You may also continue using Log Analytics and Application Insights as stand-alone services, if desired. See their respective SLAs below.

Log Analytics SLA

Application Insights SLA

Azure Monitor allows you to collect granular performance and utilization data, activity and diagnostics logs, and define alerts and notifications from your Azure resources in a consistent manner. We guarantee 99.9% of the time, Azure Monitor will execute alert rules, trigger, and deliver notifications.

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Multi-Factor Authentication

We guarantee 99.9% availability of Azure Multi-Factor Authentication. The service is considered unavailable when it is unable to receive or process authentication requests for the Multi-Factor authentication provider deployed in a customer subscription.

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Azure Database for MySQL

We guarantee that, at least 99.99% of the time, customers will have connectivity between their Microsoft Azure Database for MySQL Server and our Internet gateway.

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Network Watcher

We guarantee that 99.9% of the time, Network Diagnostic Tools will successfully execute and return a response.

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Azure Database for PostgreSQL

We guarantee that, at least 99.99% of the time, customers will have connectivity between their Microsoft Azure Database for PostgreSQL Server and our Internet gateway.

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Power BI Embedded

We guarantee at least 99.9% availability of Power BI Embedded for users to execute API calls and embed reports.

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SAP HANA on Azure Large Instances

  • For SAP HANA on Azure that has been configured in a High-availability Pair, we guarantee that you will have connectivity to at least one instance at least 99.99% of the time.
  • For any single instance, we guarantee you will have connectivity at least 99.9% of the time.

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Scheduler

We guarantee that, at least 99.9% of the time, all scheduled jobs will initiate within 30 minutes of their planned execution times.

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Azure Search

We guarantee at least 99.9% availability for index query requests when an Azure Search Service Instance is configured with two or more replicas, and index update requests when an Azure Search Service Instance is configured with three or more replicas. No SLA is provided for the free tier.

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Security Center

We guarantee 99.9% availability of a Protected Node’s Security Monitoring information for the Standard tier of Azure Security Center. No SLA is provided for the Free tier of Azure Security Center.

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Service Bus

  • For Service Bus Relays, we guarantee that, at least 99.9% of the time, properly configured applications will be able to establish a connection to a deployed Relay.
  • For Service Bus Queues and Topics, we guarantee that, at least 99.9% of the time, properly configured applications will be able to send or receive messages or perform other operations on a deployed Queue or Topic.
  • For Service Bus Basic and Standard Notification Hub tiers, we guarantee that at least 99.9% of the time, properly configured applications will be able to send notifications or perform registration management operations with respect to a Notification Hub.
  • For Event Hubs Basic and Standard tiers, we guarantee that at least 99.9% of the time, properly configured applications will be able to send or receive messages or perform other operations on the Event Hub.

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Service Fabric

Service Fabric is a free service; therefore, it does not have a financially backed SLA itself. The availability of your Service Fabric cluster is based on the SLA of the underlying virtual machines and storage resources used. Please see the Virtual Machine SLA and Storage SLA for more details.

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Azure SignalR Service

We guarantee that SignalR Service will be available at least 99.9% of the time.

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Azure Site Recovery

  • For each Protected Instance configured for On-Premises-to-On-Premises Failover, we guarantee at least 99.9% availability of the Site Recovery service. Availability is calculated over a monthly billing cycle.
  • For each Protected Instance configured for On-Premises-to-Azure planned and unplanned Failover, we guarantee a two-hour Recovery Time Objective.

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Azure SQL Database

Basic, Standard and Premium Tiers

We guarantee that, at least 99.99% of the time, customers will have connectivity between their single or elastic Basic, Standard or Premium Microsoft Azure SQL Database and our Internet gateway.

Web and Business Tiers (retired)

We guarantee that, at least 99.9% of the time, customers will have connectivity between their Web or Business Microsoft Azure SQL Database and our Internet gateway.

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SQL Data Warehouse

We guarantee that, at least 99.9% of the time, client operations executed on a SQL Data Warehouse database will succeed.

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SQL Server Stretch Database

We guarantee at least 99.9% of the time that customers will have connectivity between their SQL Server Stretch Database and our Internet gateway.

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Storage

  • We guarantee that, at least 99.99% (99.9% for Cool Access Tier) of the time, we will successfully process requests to read data from Read Access-Geo Redundant Storage (RA-GRS) accounts, provided that failed attempts to read data from the primary region are retried on the secondary region.
  • We guarantee that, at least 99.9% (99% for Cool Access Tier) of the time, we will successfully process requests to read data from Locally Redundant Storage (LRS), Zone Redundant Storage (ZRS) and Geo Redundant Storage (GRS) accounts.
  • We guarantee that, at least 99.9% (99% for Cool Access Tier) of the time, we will successfully process requests to write data to Locally Redundant Storage (LRS), Zone Redundant Storage (ZRS) and Geo Redundant Storage (GRS) accounts and Read Access-Geo Redundant Storage (RA-GRS) accounts.

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StorSimple

  • We guarantee at least 99.9% availability of the Backup, Cloud Tiering and Restore functionality of the Azure StorSimple service.
  • We guarantee that at least 99.9% of the time, we will successfully process requests to the Azure StorSimple Data Manager.

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Stream Analytics

  • We guarantee at least 99.9% availability of the Stream Analytics API.
  • We guarantee that 99.9% of the time, deployed Stream Analytics jobs will be either processing data or available to process data.

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Time Series Insights

We guarantee that at least 99.9% of the time, we will successfully process requests to the Time Series Insights data plane API.

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Traffic Manager

We guarantee that DNS queries will receive a valid response from at least one of our Azure Traffic Manager name server clusters at least 99.99% of the time.

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Virtual Machine Scale Sets

Virtual Machine Scale Sets is a free service; therefore, it does not have a financially backed SLA itself. However, if the Virtual Machine Scale Sets includes Virtual Machines in at least 2 Fault Domains, the availability of the underlying Virtual Machines SLA applies. See the Virtual Machines SLA for more details.

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Virtual WAN

Azure Virtual WAN is a networking service providing optimized and automated branch to branch connectivity through Azure. Virtual WAN allows customers to connect branches to each other and Azure, centralizing their network and security needs with virtual appliances such as firewalls and Azure network and security services.

We guarantee 99.95% availability for Azure Virtual WAN.

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Visual Studio App Centre

  • We guarantee at least 99.9% availability to execute build operations using Visual Studio App Centre Build Service.
  • We guarantee at least 99.9% availability to execute test operations using Visual Studio App Centre Test Service.
  • We guarantee at least 99.9% availability to execute push notification operations using Visual Studio App Centre Push Notification Service.

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VPN Gateway

We guarantee 99.9% availability for each Basic Gateway for VPN or Basic Gateway for ExpressRoute.

We guarantee 99.95% availability for each Standard, High Performance, VpnGw1, VpnGw2, VpnGw3 Gateway for VPN.

We guarantee 99.95% availability for each Standard, High Performance, Ultra Performance Gateway for ExpressRoute.

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Azure Information Protection

We guarantee that end users will be able to create and consume IRM documents and emails 99.9% of the time.

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Windows 10 IoT Core Services

  • For Device Update Center, we promise that at least 99.9% of the time, the Customer will be able to sign into Device Update Center and the Service will able to create device models, create packages, publish packages, and flight updates to devices.
  • For LTSC access, we promise that at least 99.9% of the time users will be able to sign into Device Update Center and the Service will provide access to updates for LTSC releases of Windows 10 IoT Core.
  • Device Health Attestation is a client-side technology; therefore, it does not have an online services SLA.

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Azure Dedicated HSM

Azure Dedicated HSM is a free service, therefore, it does not have a financially backed SLA.

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Microsoft will provide at least 90 days’ notice for adverse material changes to any of the SLAs listed above.

Availability for all Azure services is calculated over a monthly billing cycle. Click here to download SLAs for most Microsoft Azure Services. The SLA for Active Directory can be found here.