Explanation
Get an access token using the VM's system-assigned managed identity and use it to call Azure Resource Manager You will need to use PowerShell in this portion.
* In the portal, navigate to Virtual Machines and go to your Windows virtual machine and in the Overview, click Connect.
* Enter in your Username and Password for which you added when you created the Windows VM.
* Now that you have created a Remote Desktop Connection with the virtual machine, open PowerShell in the remote session.
* Using the Invoke-WebRequest cmdlet, make a request to the local managed identity for Azure resources endpoint to get an access token for Azure Resource Manager.
Example:
$response
= Invoke-WebRequest -Uri 'http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01
&resource=https://management.azure.com/' -Method GET -Headers @{Metadata="true"} Reference:
https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/tutorial-windows-vm