Virtual Machines - List Available Sizes

GET https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/virtualMachines/myVmName/vmSizes?api-version=2025-04-01

/**
 * Samples for VirtualMachines ListAvailableSizes.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/
     * virtualMachineExamples/VirtualMachine_ListAvailableVmSizes.json
     */
    /**
     * Sample code: Lists all available virtual machine sizes to which the specified virtual machine can be resized.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void listsAllAvailableVirtualMachineSizesToWhichTheSpecifiedVirtualMachineCanBeResized(
        com.azure.resourcemanager.AzureResourceManager azure) {
        azure.virtualMachines().manager().serviceClient().getVirtualMachines().listAvailableSizes("myResourceGroup",
            "myVmName", com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

from azure.identity import DefaultAzureCredential

from azure.mgmt.compute import ComputeManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-compute
# USAGE
    python virtual_machine_list_available_vm_sizes.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = ComputeManagementClient(
        credential=DefaultAzureCredential(),
        subscription_id="{subscription-id}",
    )

    response = client.virtual_machines.list_available_sizes(
        resource_group_name="myResourceGroup",
        vm_name="myVmName",
    )
    for item in response:
        print(item)


# x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineExamples/VirtualMachine_ListAvailableVmSizes.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

package armcompute_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v7"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/fb90eb1bec64c6e8ad3e288a64c84cc18742a394/specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineExamples/VirtualMachine_ListAvailableVmSizes.json
func ExampleVirtualMachinesClient_NewListAvailableSizesPager() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armcompute.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	pager := clientFactory.NewVirtualMachinesClient().NewListAvailableSizesPager("myResourceGroup", "myVmName", nil)
	for pager.More() {
		page, err := pager.NextPage(ctx)
		if err != nil {
			log.Fatalf("failed to advance page: %v", err)
		}
		for _, v := range page.Value {
			// You could use page here. We use blank identifier for just demo purposes.
			_ = v
		}
		// If the HTTP response code is 200 as defined in example definition, your page structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
		// page.VirtualMachineSizeListResult = armcompute.VirtualMachineSizeListResult{
		// 	Value: []*armcompute.VirtualMachineSize{
		// 		{
		// 			Name: to.Ptr("Standard_A1_V2"),
		// 			MaxDataDiskCount: to.Ptr[int32](2),
		// 			MemoryInMB: to.Ptr[int32](2048),
		// 			NumberOfCores: to.Ptr[int32](1),
		// 			OSDiskSizeInMB: to.Ptr[int32](1047552),
		// 			ResourceDiskSizeInMB: to.Ptr[int32](10240),
		// 		},
		// 		{
		// 			Name: to.Ptr("Standard_A2_V2"),
		// 			MaxDataDiskCount: to.Ptr[int32](4),
		// 			MemoryInMB: to.Ptr[int32](4096),
		// 			NumberOfCores: to.Ptr[int32](2),
		// 			OSDiskSizeInMB: to.Ptr[int32](1047552),
		// 			ResourceDiskSizeInMB: to.Ptr[int32](20480),
		// 	}},
		// }
	}
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

const { ComputeManagementClient } = require("@azure/arm-compute");
const { DefaultAzureCredential } = require("@azure/identity");
require("dotenv/config");

/**
 * This sample demonstrates how to Lists all available virtual machine sizes to which the specified virtual machine can be resized.
 *
 * @summary Lists all available virtual machine sizes to which the specified virtual machine can be resized.
 * x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineExamples/VirtualMachine_ListAvailableVmSizes.json
 */
async function listsAllAvailableVirtualMachineSizesToWhichTheSpecifiedVirtualMachineCanBeResized() {
  const subscriptionId = process.env["COMPUTE_SUBSCRIPTION_ID"] || "{subscription-id}";
  const resourceGroupName = process.env["COMPUTE_RESOURCE_GROUP"] || "myResourceGroup";
  const vmName = "myVmName";
  const credential = new DefaultAzureCredential();
  const client = new ComputeManagementClient(credential, subscriptionId);
  const resArray = new Array();
  for await (const item of client.virtualMachines.listAvailableSizes(resourceGroupName, vmName)) {
    resArray.push(item);
  }
  console.log(resArray);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

using Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using System.Xml;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.Compute.Models;
using Azure.ResourceManager.Compute;

// Generated from example definition: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineExamples/VirtualMachine_ListAvailableVmSizes.json
// this example is just showing the usage of "VirtualMachines_ListAvailableSizes" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this VirtualMachineResource created on azure
// for more information of creating VirtualMachineResource, please refer to the document of VirtualMachineResource
string subscriptionId = "{subscription-id}";
string resourceGroupName = "myResourceGroup";
string vmName = "myVmName";
ResourceIdentifier virtualMachineResourceId = VirtualMachineResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, vmName);
VirtualMachineResource virtualMachine = client.GetVirtualMachineResource(virtualMachineResourceId);

// invoke the operation and iterate over the result
await foreach (VirtualMachineSize item in virtualMachine.GetAvailableSizesAsync())
{
    Console.WriteLine($"Succeeded: {item}");
}

Console.WriteLine("Succeeded");

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue