How to add Node to the Cluster in SQL Server ?

First you need to Configure Failover Cluster in SQL Server

Once You have successfully set up failover cluster from the first Node(SQLSERVER1), we would now go to the second node (SQLSERVER2) so we can add the the node to the cluster. Follows the steps below

Step 1 – Launch the SQL Server Setup and choose ‘Add Node to SQL Server Failover Cluster”

Add Node to SQL Cluster

Step 2 – You can see from the figure below the it detect the cluster we created in the first node (SQLCLUSTER01)

Cluster Node Configuration

Step 3 – Follow the steps to complete the installation as shown below

4. Check that the Cluster Works Fine

Let’s now check that our failover cluster is working correctly.

Step 1 – Open Failover Cluster Manger in Node1 (where we installed the cluster). Click on Roles and you will see that the SQL Failover cluster is running as shown below

A little explanation

Now you see the the cluster is running on SQLSERVER1. So if a failure occurs, it would be migrated to the second node. So let’s see how this works

Step 3 – Right click on the cluster and choose Move > Best possible node as shown below. The would cause the cluster to switch to the second node.