Azure Arc-enabled SQL Server
Azure Arc-enabled SQL Server extends Azure services to SQL Server instances hosted outside of Azure; in your datacenter, on the edge, or in a multi-cloud environment.
To enable Azure services, you must onboard a running SQL Server instance to Azure Arc. The onboarding will install a Azure extension for SQL Server to the Connected Machine agent, which in turn will create an Azure resource for each SQL Server instance. You can see all the Arc-enabled SQL Server resources in the Azure portal under Azure Arc > SQL Server. The properties of this resource reflect a subset of the SQL Server configuration settings.
Azure Arc-enabled SQL Server doesn't store any customer data.
The SQL Server instance can be installed in a virtual or physical machine running Windows or Linux that is connected to Azure Arc via the Connected Machine agent. When you register the SQL Server instance, the agent is installed, and the machine is registered automatically.
The Connected Machine agent communicates outbound securely to Azure Arc over TCP port 443. If the machine connects through a firewall or an HTTP proxy server to communicate over the Internet, review the network configuration requirements for the Connected Machine agent.
Azure Arc-enabled SQL Server supports a set of solutions that require Microsoft Monitoring Agent (MMA) to be installed and connected to an Azure Log analytics workspace for data collection and reporting. These solutions include Microsoft Defender for Cloud and On-demand SQL Assessment feature.
The following diagram illustrates the architecture of SQL Server on Azure Arc enable servers.
To learn more about these capabilities, you can also refer to this Data Exposed episode.
Supported SQL versions and operating systems
Azure Arc-enabled SQL Server supports SQL Server 2012 or higher running on one of the following versions of the Windows or Linux operating system:
- Windows Server 2012 R2 and higher
- Ubuntu 20.04 (x64)
- Red Hat Enterprise Linux (RHEL) 8 (x64)
- SUSE Linux Enterprise Server (SLES) 15 (x64)
Azure Arc-enabled SQL Server does not support the following configurations currently:
- SQL Server running in containers.
- SQL Server Failover Cluster Instances (FCI).
- SQL Server roles other than the Database Engine, such as Analysis Services (SSAS), Reporting Services (SSRS), or Integration Services (SSIS).
- SQL Server editions: Express, Web, Business Intelligence.
- SQL Server 2008, SQL Server 2008 R2, and older.
- Installing the Arc agent and SQL Server extension cannot be done as part of sysprep image creation.
To connect the SQL Server instances and the hosting machine to Azure Arc, you must have a user account or Azure service principal with Contributor role for the resource group in which the SQL Server will be managed.
Deploying the Connected Machine agent on a SQL Server machine requires that you have administrator permissions to install and configure the agent. On Linux this is done by using the root account, and on Windows, with an account that is a member of the Local Administrators group
Azure subscription and service limits
Before configuring your SQL server instances and machines with Azure Arc, review the Azure Resource Manager subscription limits and resource group limits to plan for the number of machines to be connected.
Networking configuration and resource providers
Review networking configuration, transport layer security, and resource providers required for Connected Machine agent.
The resource provider
Microsoft.AzureArcData is required to connect the SQL Server instances to Azure Arc. To register the resource provider, follow the instructions in the Prerequisites section.
If you connected an instance of SQL Server to Azure Arc prior to December 2020, you need to follow the prerequisite steps to migrate the existing Arc-enabled SQL Server resources to the new namespace.
Supported Azure regions
Arc-enabled SQL Server is available in the following regions:
- East US
- East US 2
- West US 2
- Central US
- South Central US
- UK South
- France Central
- West Europe
- North Europe
- Japan East
- Korea Central
- East Asia
- Southeast Asia
- Australia East
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