Azure reliability documentation

Learn how reliability is built into Azure, including how individual Azure services handle failures, how platform features such as availability zones and regions support high availability and disaster recovery, and the core cloud reliability concepts that guide resilient workload design.

Reliability guides for Azure services

Learn how Microsoft designs each service for reliability and resilience to faults and problems, for example availability zone outages. Understand your responsibilities to meet your own reliability requirements.

Azure AI Bot Service

Intelligent, serverless bot service that scales on demand

Azure AI Bot Service
Azure AI Search

AI-powered cloud search service for mobile and web app development

Azure AI Search
Azure API Center

Track all of your APIs in a centralized location for discovery, reuse, and governance

Azure API Center
Azure API Management

Publish APIs to developers, partners, and employees securely and at scale

Azure API Management
Azure App Service

Quickly create powerful cloud apps for web and mobile

Azure App Service
Azure App Service Environment

A fully isolated and dedicated environment to run App Service apps

Azure App Service Environment
Azure Application Gateway

Build secure, scalable, and highly available web front ends in Azure

Azure Application Gateway
Azure Application Gateway for Containers

Load balancing and dynamic traffic management for workloads running in a Kubernetes cluster

Azure Application Gateway for Containers
Azure Backup

Simplify data protection and protect against ransomware

Azure Backup
Azure Bastion

Secure remote access to your virtual machines

Azure Bastion
Azure Batch

Cloud-scale job scheduling and compute management

Azure Batch
Azure Blob Storage

REST-based object storage for unstructured data

Azure Blob Storage
Azure Chaos Studio

Improve application resilience by introducing faults and simulating outages

Azure Chaos Studio
Azure Container Apps

Build and deploy modern apps and microservices using serverless containers

Azure Container Apps
Azure Container Instances

Easily run containers on Azure without managing servers

Azure Container Instances
Azure Container Registry

Store and manage container images across all types of Azure deployments

Azure Container Registry
Azure Cosmos DB

Fast NoSQL database with SLA-backed speed and availability

Azure Cosmos DB
Azure Data Factory

Hybrid data integration at enterprise scale, made easy

Azure Data Factory
Azure Database for PostgreSQL

Managed PostgreSQL database service for app developers

Azure Database for PostgreSQL
Azure Databricks

Fast, easy, and collaborative Apache Spark-based analytics platform

Azure Databricks
Azure DDoS Protection

Protect your applications from Distributed Denial of Service (DDoS) attacks

Azure DDoS Protection
Azure Device Registry

Enables the cloud and edge management of assets.

Azure Device Registry
Azure DNS

Host your DNS domain in Azure

Azure DNS
Azure DocumentDB

Innovate on an open-source, MongoDB-compatible multicloud document database

Azure DocumentDB
Azure Elastic SAN

Elastic SAN is a cloud-native Storage Area Network (SAN) service built on Azure. Gain access to an end-to-end experience like your on-premises SAN.

Azure Elastic SAN
Azure Event Grid

Get reliable event delivery at massive scale

Azure Event Grid
Azure Event Hubs

Receive telemetry from millions of devices

Azure Event Hubs
Azure ExpressRoute gateway

Dedicated private network fiber connections to Azure

Azure ExpressRoute gateway
Azure Files

Simple, secure, and serverless enterprise-grade cloud file shares

Azure Files
Azure Firewall

Native firewalling capabilities with built-in high availability, unrestricted cloud scalability, and zero maintenance

Azure Firewall
Azure Functions

Execute event-driven serverless code functions with an end-to-end development experience

Azure Functions
Azure Functions

Process events with serverless code

Azure Functions
Azure HDInsight

Provision cloud Hadoop, Spark, R Server, HBase, and Storm clusters

Azure HDInsight
Azure IoT Hub

Connect, monitor, and manage billions of IoT assets

Azure IoT Hub
Azure Key Vault

Safeguard and maintain control of keys and other secrets

Azure Key Vault
Azure Kubernetes Service (AKS)

Simplify the deployment, management, and operations of Kubernetes

Azure Kubernetes Service (AKS)
Azure Logic Apps

Automate the access and use of data across clouds without writing code

Azure Logic Apps
Azure Managed Redis

Power applications with a high-performance, managed cache

Azure Managed Redis
Azure NAT Gateway

Provide highly reliable, secure, and scalable outbound connectivity to the internet

Azure NAT Gateway
Azure NetApp Files

Enterprise-grade Azure file shares, powered by NetApp

Azure NetApp Files
Azure Notification Hubs

Send push notifications to any platform from any back end

Azure Notification Hubs
Azure Queue Storage

Effectively scale apps according to traffic

Azure Queue Storage
Azure Service Bus

Reliable cloud messaging as a service (MaaS) and simple hybrid integration

Azure Service Bus
Azure SQL Database

Managed, intelligent SQL in the cloud

Azure SQL Database
Azure SQL Managed Instance

Managed, always up-to-date SQL instance in the cloud

Azure SQL Managed Instance
Azure Storage Actions

Simplify storage data management at massive scale

Azure Storage Actions
Azure Storage Discovery

Get enterprise-wide visibility into your Azure Blob Storage and Azure Data Lake Storage estates.

Azure Storage Discovery
Azure Storage Mover

Accelerate cloud adoption with an end-to-end, managed migration service

Azure Storage Mover
Azure Stream Analytics

Real-time analytics on fast moving streams of data from applications and devices

Azure Stream Analytics
Azure Table Storage

NoSQL key-value store using semi-structured datasets

Azure Table Storage
Azure Traffic Manager

Route incoming traffic for high performance and availability

Azure Traffic Manager
Azure Virtual Machine Scale Sets

Manage and scale up to thousands of Linux and Windows virtual machines

Azure Virtual Machine Scale Sets
Azure Virtual Machines

Provision virtual machines for Ubuntu, Red Hat, Windows, and more

Azure Virtual Machines
Azure Virtual Network

Provision private networks, optionally connect to on-premises datacenters

Azure Virtual Network
Azure VM Image Builder

Simplify your virtual machine (VM) image building process with an easy-to-use tool

Azure VM Image Builder
Azure VPN Gateway

Establish secure, cross-premises connectivity

Azure VPN Gateway
Microsoft Fabric

Unify your teams and data to accelerate AI innovation with a complete data platform

Microsoft Fabric
Microsoft Purview

Maximize business value with unified data governance

Microsoft Purview

Azure reliability features

Learn about the Azure platform features that help you build reliable applications, including availability zones and regions.

Understand reliability fundamentals

Understand concepts like reliability, resiliency, and recovery in the cloud.

Reliability services and capabilities

Azure provides a range of services that help you enhance the reliability of your applications through failover, backup, testing, monitoring, and targeted guidance.