# Variables
$storageaccount = 'mystorageaccount'
$vhdpath = 'c:\users\darrenjrobinson\vhds\WindowsVM.vhd'
$BlobName = 'WindowsVM.vhd'

# Login
Login-AzureRMAccount
Get-AzureRmStorageAccount | select storageaccountname

# Get Storage Account
$storageContainer = Get-AzureRmStorageAccount | where {$_.StorageAccountName -eq $storageaccount} | Get-AzureStorageContainer
# Upload VHD
$storageContainer | Set-AzureStorageBlobContent –File $vhdpath –Blob $BlobName -BlobType Page