How enable always on in SQL Server?

How enable Always On feature in SQL Server?

In SQL Server Configuration Manager, click SQL Server Services, right-click SQL Server (<instance name>), where <instance name> is the name of a local server instance for which you want to enable Always On Availability Groups, and click Properties. Select the Always On High Availability tab.

What are the prerequisites for AlwaysOn in SQL Server?

Prerequisites for Installing SQL Server AlwaysOnWindows Server 2008 R2. Windows Server 2008R2 is the minimum Windows Server edition allowed for deploying AlwaysOn. ... Windows Server Failover Cluster. ... .Net 3.5.1 or greater. ... Windows hotfixes. ... Windows Domain. ... No domain controller. ... Windows Firewall. ... Sufficient Disk Space.

How do I set SQL to high availability?

Configure SQL Server Right click on SQL Server Services and open the Properties dialog box. Navigate to the AlwaysOn High Availability tab and select the Enable AlwaysOn Availability Groups checkbox. Restart the SQL Server Service after making these changes. Complete these steps on all your replicas.

What is always on feature in SQL Server?

The Always On availability groups feature is a high-availability and disaster-recovery solution that provides an enterprise-level alternative to database mirroring. Introduced in SQL Server 2012 (11. x), Always On availability groups maximizes the availability of a set of user databases for an enterprise.