{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "adminPassword": {
      "value": "GEN-PASSWORD"
    },
    "adminUsername": {
      "value": "azureUser"
    },
    "adDomainName": {
      "value": "mydomain.local"
    },
    "ConnectionBrokerMachine": {
      "value": "broker"
    },
    "cb-AvailabilitySet": {
      "value": "cb-availabilityset"
    },
    "domainNetbios": {
      "value": "Mydomain"
    },
    "imageSKU": {
      "value": "Windows-Server-Technical-Preview"
    },
    "storageAccountName": {
      "value": "StorageAccount-Name"
    },
    "cbVmSize": {
      "value": "Standard_D2"
    },
    "clientURL": {
      "value": "http://go.microsoft.com/fwlink/?LinkID=23964&clcid=0x409"
    },
    "PrimaryDBConString": {
      "value": "Connection-String"
    },
    "DNSServer": {
      "value": "dns"
    },
    "clientAccessName": {
      "value": "RdConnectionBrokerDnsName"
    },
    "sqlServer": {
      "value": "mySqlServer"
    }
  }
}

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "adminPassword": {
      "value": "GEN-PASSWORD"
    },
    "adminUsername": {
      "value": "azureUser"
    },
    "adDomainName": {
      "value": "mydomain.local"
    },
    "ConnectionBrokerMachine": {
      "value": "broker"
    },
    "cb-AvailabilitySet": {
      "value": "cb-availabilityset"
    },
    "domainNetbios": {
      "value": "Mydomain"
    },
    "imageSKU": {
      "value": "Windows-Server-Technical-Preview"
    },
    "storageAccountName": {
      "value": "storageaccountname1"
    },
    "cbVmSize": {
      "value": "Standard_D2"
    },
    "clientURL": {
      "value": "http://go.microsoft.com/fwlink/?LinkID=23964&clcid=0x409"
    },
    "PrimaryDBConString": {
      "value": "Connection-String"
    },
    "DNSServer": {
      "value": "dns"
    },
    "clientAccessName": {
      "value": "RdConnectionBrokerDnsName"
    },
    "sqlServer": {
      "value": "mySqlServer"
    }
  }
}

Change storage account name to all lowercase
Change storage account name to all lowercase
