May 25, 2024 · SQL Server’s Always On High Availability (HA) is a disaster recovery and high-availability solution that allows organizations to replicate or failover SQL Server databases. It combines the Windows Server Failover Clustering (WSFC) capabilities with SQL Server’s database mirroring features.

Apr 28, 2025 · However, to minimize impact to your data in the event of an outage to an entire zone, you can achieve high availability by enabling zone redundancy.

Sep 24, 2020 · There are mainly five options in MS SQL Server to setup high availability solution for the databases: Source server is called Publisher. Destination server is called Subscriber. There’s an optional server that stores replicated data for the subscriber called Distributor.

May 28, 2019 · Unlike database mirroring, Always On Availability Groups allow for failover of a group of databases in a single SQL Server instance. This step-by-step details the creation of a SQL Server 2016 / 2017 Always On Availability Group to ensure high availability of mission-critical databases. Step 1: Windows Failover Cluster Feature Installation.

Oct 20, 2011 · I need to implement a high availability solution for one of my SQL Server databases, but I’m not sure of which option to implement to satisfy my company’s needs. Check out this tip to learn about the five native SQL Server High Availability options.

Mar 6, 2019 · In this article, we will learn the step by step configuration of SQL Server AlwaysOn High availability Group for two nodes. Once nodes are added to the cluster group, we will able to use the AlwaysOn feature in the SQL server. In the following steps, we will create a Service account to connect SQL server instances.

Oct 1, 2020 · High Availability (HA) describe methods used to ensure that the database is available close to 24/7 365 days under every circumstance. This is a very important aspect of a DBAs work. In this tutorials, we would examine 5 different technologies to achieve high availability. 1. Database Replication.

Oct 25, 2020 · AlwaysOn is a High-Availability (HA) technique used as a disaster recovery (DR) system for a set of databases placed in a group called availability group. All the nodes participating in an AlwaysOn must be clustered in windows. That is they must be in the same windows failover cluster.

May 25, 2024 · Discover how to implement Always On Availability Groups in SQL Server for high availability, disaster recovery, and read-scaling benefits. Our step-by-step guide covers prerequisites, enabling features, creating availability groups, and validating configurations.

Apr 19, 2022 · SQL Server provides various options to achieve high availability (HA) and disaster recovery (DR) capabilities for databases. In this article, we will explore the approach of setting up HA and DR using availability groups between failover cluster instances.