How to Measure Replication Latency in SQL Server AlwaysOn Synchronous Availability Groups

Synchronous replicas in SQL Server Availability Groups promise no data loss, but they don’t promise zero delay; under heavy load they can still fall behind. This article shows how to measure and track that hidden replication delay using SQL Server performance counters, so you can see how well your system keeps up during IO‑intensive operations and plan maintenance more safely.

Contained Availability Groups in SQL Server 2022

SQL Server 2022 introduced a new feature called Contained Availability Groups. It allows the Database Administrators to effectively manage the Server Level objects, such as Logins, SQL Agent jobs, etc. in an HA environment. In today's article, we will learn about this new feature of SQL Server. The Challenge of Managing Server Objects in Availability […]

Enable TDE for Databases in a SQL Server AlwaysOn Availability Group

A customer has a database that is already set up in a SQL Server Availability Group. Since this database hosts sensitive data, there is a need to encrypt the primary and all secondary replicas of the data. In this article, we will walk through how this can be done.

Migrate from Linux to Windows with Availability Groups

This article describes the process to create a read-scale cross-platform SQL Server Availability Group where the primary is Linux and the secondary is Windows.

SQL Server 2022 Clusterless Distributed Availability Group

This article shows the final step of an availability group creation, specifically for a distributed clusterless one.

Secondary Query Store

AG Rules for Databases

The AG Synchronous Replicas

The AG Secondary Logs

Basic Always On Availability Groups in SQL Server Standard

Once Windows Server Failover Clusters have been set up, we can set up Availability Groups in SQL Server. This article will focus on setting up Basic Always-On Availability Groups in SQL Server Standard Edition.
This facilitates High Availability in SQL Server Standard, with three levels of availability and failover:
Asynchronous commit with manual or forced failover,
Synchronous commit with manual or forced failover,
Synchronous commit with automatic failover.