In the first two parts of this series, we connected to a Windows VM, added a data disk, and captured a reusable image with Azure Compute Gallery. Now, in Part 3, we’ll use that custom image to create a Virtual Machine Scale Set (VMSS), enabling scalable, load-balanced deployments to meet dynamic workload demands efficiently.
An important concept of VMSS is an Azure load balancer; it distributes incoming traffic to a pool of VMs or VM instances. It is always automatically configured in Azure VMSS.
Go over the other parts of the series before this:
Azure VM Scale Set #Part 1: How to Connect and Add a Data Disk to a Windows VM
Azure VM Scale Set #Part 2: How to Capture the image of a VM with Azure Compute Gallery
Let's dive into the VMSS setup!
Part 3: How to Create a Virtual Machine scale set in Azure
In the VM image created, click the + Create VMSS button.
Give the VMSSS a Name
In orchestration mode, select Flexibile
Note: In flexibility mode, you manually create and add a VM of any configuration to the scale set. While in uniform mode, you define a VM model, and Azure will generate identical instances based on that model.Leave everything else as default
Click on Review and create
- Click Go to resource
- Go to Availability + scale section
- Select Scaling
- Set the Instance count to the number of VMs you want to Create
Save the configuration
Confirm the VMs are running
Conclution:
With this final step, you've successfully created a Virtual Machine Scale Set using a custom image from Azure Compute Gallery, building on the foundational tasks of connecting to a VM, adding a data disk, and capturing a reusable image. Your scalable, load-balanced infrastructure is now ready to handle dynamic workloads efficiently, completing the journey toward optimizing your Azure environment.
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