Extension of other answers.
Azure has two deployment models. Azure Service Management (ASM) and Azure Resource Manager (ARM).
To interact with anything in ASM, you use the Azure Module, for example:
Add-AzureAccount Login to ASM
Select-AzureSubscription Select the subscription that you assign to work in
Get-AzureSubscriptions Shows all subscriptions.
To interact with anything in ARM, you use AzureRM modules, for example:
Add-AzureRmAccount Login to ARM
Select-AzureRmSubscription Selects the ARM subscription that you allocate to work in
Login-AzureRmAccount Logs in ARM Also
ARM PowerShell Review
ASM PowerShell Overview
source share