Extend an existing Azure VNET to a Multi-VNET Configuration

Last updated: 14/05/2021

This template allows you to extend an existing single VNET environment to a Multi-VNET environment that extends across two datacenter regions using VNET-to-VNET gateways

This Azure Resource Manager (ARM) template was created by a member of the community and not by Microsoft. Each ARM template is licensed to you under a licence agreement by its owner, not Microsoft. Microsoft is not responsible for ARM templates provided and licensed by community members and does not screen for security, compatibility or performance. Community ARM templates are not supported under any Microsoft support programme or service, and are made available AS IS without warranty of any kind.

Parameters

Parameter Name Description
sharedKey Shared key for the VNET connection.
vnetName Name of the VNET.
vnetLocation Location of the VNET.
existingVnetLocation Location of the existing VNET.
existingGatewayId ID of the existing gateway.
gatewaySubnetName Name of the gateway subnet.

Use the template

PowerShell

New-AzResourceGroup -Name <resource-group-name> -Location <resource-group-location> #use this command when you need to create a new resource group for your deployment
New-AzResourceGroupDeployment -ResourceGroupName <resource-group-name> -TemplateUri https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/quickstarts/microsoft.network/extend-vnet-to-multi-vnet/azuredeploy.json
Installing and configuring Azure PowerShell

Command line

az group create --name <resource-group-name> --location <resource-group-location> #use this command when you need to create a new resource group for your deployment
az group deployment create --resource-group <my-resource-group> --template-uri https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/quickstarts/microsoft.network/extend-vnet-to-multi-vnet/azuredeploy.json
Installing and configuring the Azure cross-platform command-line interface