Copy AZURE VHD to other storage account

#Source storage account $context1 = new-azurestoragecontext -storageaccountname “name_source_account” -storageaccountkey “key_source_account” #Destination storage account $context2 = new-azurestoragecontext -storageaccountname “name_destination_account” -storageaccountkey “key_destination_account”