Almost one year ago, the new Az Powershell module was released. The major change compared to the “older” AzureRM module is the fact that it is built on the .NET standard libraries, making it cross-platform compatible.
In addition, the nomenclature has been adjusted. AzureRM has been shorted to “Az”. No major updates or new features will be developed for the AzureRM module.

If you are late to the game, now is the time to start adjusting your scripts. December 2020 is announced as the date also bugs and security fixes won’t be published anymore, rendering the module not suitable for production anymore.

It is not recommended to run the AzureRM module and the Az module side-by-side. However, while you are re-authoring your scripts, luckily Microsoft offers you a “co-existence” method without requiring conflicting modules.. By issuing the commandlet Enable-AzureRMAlias , aliases will be created.

After using Enable-AzureRMAlias, the number of usable commands increases significantly:

If you want to enable the legacy commandlets for the localmachine, the “-Scope” parameter will help you out: https://docs.microsoft.com/en-us/powershell/module/az.accounts/enable-azurermalias?view=azps-3.0.0

Useful PowerShell references

Enable-AzureRMAlias https://docs.microsoft.com/en-us/powershell/module/az.accounts/enable-azurermalias?view=azps-3.0.0
Disable-AzureRMAlias https://docs.microsoft.com/en-us/powershell/module/az.accounts/disable-azurermalias?view=azps-3.0.0
Uninstall-AzureARM https://docs.microsoft.com/en-us/powershell/module/az.accounts/uninstall-azurerm?view=azps-3.0.0