Can we configure always on without cluster?

Does always on require cluster?

Windows Server Failover Clustering and Availability Groups Deploying Always On availability groups requires a Windows Server Failover Cluster (WSFC). To be enabled for Always On availability groups, an instance of SQL Server must reside on a WSFC node, and the WSFC and node must be online.

What is difference between AlwaysOn and AlwaysOn clustering?

An SQL AlwaysOn failover cluster instance provides high availability and disaster recovery at the SQL Server level. AlwaysOn Availability Groups (AAG) provide high availability and disaster recovery at SQL database level.

What is prerequisite for always on configuration?

These prerequisites focus on your Windows environment, the SQL instances, and the databases to be included in your AlwaysOn group. And each SQL Server that hosts an availability group replica must reside on separate nodes of a single WSFC cluster. Windows Domain.

Can you setup replication with AlwaysOn?

Configure the Always On Availability Group If using the Availability Group Wizard, you can either allow the wizard to initially synchronize the secondary replica databases or you can perform the initialization manually by using backup and restore.