Availability Group (AG)

SQLServerCentral Article

Steps for Installing AlwaysOn Availability Groups - SQL 2019

  • Article

With SQL Server 2012 Microsoft introduced the AlwaysOn Availability Group feature, and since then many changes and improvements have been made.  This article is an update to another article, and will cover the prerequisites and steps for installing AlwaysOn in your SQL Server 2019 environment. Prerequisites Before implementing your AlwaysOn Availability Group (AG), make sure […]

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2025-12-24 (first published: )

1,815 reads

External Article

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

  • Article

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.

2025-09-17

Contained Availability Groups in SQL Server 2022

  • Article

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 […]

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2025-08-20

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Technical Article

Enable TDE for Databases in a SQL Server AlwaysOn Availability Group

  • Article

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.

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2025-08-13

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Question of the Day

BIT_COUNT() III

In SQL Server 2025, I run this code:

select bit_count(-1)
What is returned?

See possible answers