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Migrate Azure PowerShell from AzureRM to Az

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Warning

The AzureRM PowerShell module has been officially deprecated as of February 29, 2024. Users are advised to migrate from AzureRM to the Az PowerShell module to ensure continued support and updates.

Although the AzureRM module may still function, it's no longer maintained or supported, placing any continued use at the user's discretion and risk. Please refer to our migration resources for guidance on transitioning to the Az module.

Determine if you're using the AzureRM PowerShell module

Use the following command to determine if you have the AzureRM PowerShell module installed:

Get-Module -Name AzureRM -ListAvailable

You can also perform a full text search of your scripts for the pattern *-AzureRM* to determine if any of them are using the AzureRM PowerShell module.

Upgrade to the Az PowerShell module

Scripts written for the AzureRM cmdlets won't automatically work with Az. To make the transition easier, the AzureRM to Az migration toolkit was developed. No migration to a new command set is ever convenient, but this article will help you get started on transitioning to the Az PowerShell module. To learn more about why the Az PowerShell module was created, see Introducing the Az PowerShell module.

The new cmdlet names have been designed to be easy to learn. Instead of using AzureRm or Azure in cmdlet names, use Az. For example, the old cmdlet New-AzureRMVm has become New-AzVm. However, migration is more than becoming familiar with the new cmdlet names, though. There are renamed modules, parameters, and other important changes.

To see the full list of breaking changes between AzureRM and Az, see the full changes from AzureRM to Az.

Ensure existing scripts work with the latest AzureRM release

Before taking any migration steps, determine what versions of AzureRM are installed on your system. Doing so allows you to make sure scripts are already running on the latest release and let you know what versions of AzureRM must be uninstalled.

To determine what versions of AzureRM you have installed, run the following example:

Get-Module -Name AzureRM -ListAvailable -All

The latest available release of AzureRM is 6.13.2. If you don't have this version installed, your existing scripts may need additional modifications to work with the Az module beyond the scope of what's described in this article and in the breaking changes list.

If your scripts don't work with AzureRM 6.13.2, update them according to the AzureRM 5.x to 6.x migration guide. If you use an earlier version of the AzureRM module, there are migration guides available for each major version.

This recommended option minimizes the effort required to migrate AzureRM scripts to Az.

With the AzureRM to Az migration toolkit, you can generate a plan to determine what changes will be performed on your scripts before making any modifications to them and before installing the Az PowerShell module.

The Automatically migrate PowerShell scripts from AzureRM to the Az PowerShell module quickstart walks you through the entire process of automatically updating your PowerShell scripts from AzureRM to the Az PowerShell module.

Option 2: Use compatibility mode with Enable-AzureRmAlias

The Az module has a compatibility mode to help you use existing scripts while you update to the new syntax. The Enable-AzureRmAlias cmdlet enables a compatibility mode through aliases. This mode allows you to use existing scripts with minimal modification while working towards a full migration to Az. By default, Enable-AzureRmAlias only enables compatibility aliases for the current PowerShell session. Use its Scope parameter to persist compatibility aliases across PowerShell sessions. For more information, see the Enable-AzureRmAlias reference documentation.

Important

Even though the cmdlet names are aliased, there may still be new (or renamed) parameters or changed return values for the Az cmdlets. Don't expect enabling aliases to take care of the migration for you. See the full breaking changes list to find where your scripts may require updates.

Support for Enable-AzureRmAlias will not be deprecated with the deprecation of the AzureRM PowerShell module.

Next steps