{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "vmIPPublicDnsName": {
      "value": "changeme"
    },
    "storageName": {
      "value": "changeme"
    },
    "storageType": {
      "value": "Premium_LRS"
    },
    "deployLocation": {
      "value": "West Europe"
    },
    "vmName": {
      "value": "changeme"
    },
    "vmAdminUserName": {
      "value": "changeme"
    },
    "vmAdminPassword": {
      "value": "changeme"
    },
    "vmSize": {
      "value": "Standard_DS2"
    },
    "vmVisualStudioVersion": {
      "value": "VS-2015-Comm-VSU1-AzureSDK-2.8-WS2012R2"
    },
    "chocoPackages": {
      "value": "sysinternals"
    }
  }
}

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "vmIPPublicDnsName": {
      "value": "GEN-UNIQUE-11"
    },
    "storageName": {
      "value": "changeme"
    },
    "storageType": {
      "value": "Premium_LRS"
    },
    "deployLocation": {
      "value": "West Europe"
    },
    "vmName": {
      "value": "changeme"
    },
    "vmAdminUserName": {
      "value": "changeme"
    },
    "vmAdminPassword": {
      "value": "GEN-PASSWORD"
    },
    "vmSize": {
      "value": "Standard_DS2"
    },
    "vmVisualStudioVersion": {
      "value": "VS-2015-Comm-VSU1-AzureSDK-2.8-WS2012R2"
    },
    "chocoPackages": {
      "value": "sysinternals"
    }
  }
}

Use gen values for params
Use gen values for params