Override template parameter in the script

Question

I am deploying VMs using a template and parameter file. I would like to override the parameter files virtualMachineName, so I can dynamically name each VM without needing 10 different parameter files. What is the correct syntax to do so?

Currently I have:

New-AzureRmResourceGroupDeployment -ResourceGroupName "myRSG" -TemplateFile $server1TmpFile  -TemplateParameterFile $serverParamFile -virtualMachineName "AS1FTW12"  -networkInterfaceName "AS1FTW12NIC" -networkSecurityGroupName "MyNSGName"

This will produce an error: New-AzureRmResourceGroupDeployment : A parameter cannot be found that matches parameter name 'virtualMachineName'

I am authoring the script using PowerShell Tools for Visual Studio 2017. My installed PowerShell AzureRM version is 5.1.1 according to Get-Module AzureRM.

AzureRM version and other information added. – Shawn Hodgson Jan 17 '18 at 13:57 — Shawn Hodgson, Jan 17 '18 at 13:57

score 7 · Accepted Answer · answered Jan 17 '18 at 14:10

This Works with AzureRM 5.1.1, you can test with the following setup:

template:

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "paramTest": {
            "type": "string"
        }
    },
    "resources": [],
    "outputs": {
        "result": {
            "type": "string",
            "value": "[parameters('paramTest')]"
        }
    }
}

parameters:

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
        "paramTest": {
            "value": "GEN-UNIQUE"
        }
    }
}

Powershell:

New-AzureRmResourceGroupDeployment -ResourceGroupName rg -TemplateFile template.json -TemplateParameterFile param.json -paramTest somevalue

results in output value equal to the one passed from powershell

Your error indicates that the parameter name is wrong, doublé check it

Override template parameter in the script

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