Azure CLI to join a domain

az vm extension set command with the following parameters to join the VM to your domain:

--vm-name: The name of the VM that you created in the previous step.
--resource-group: The name of the resource group where the VM is located.
--name: The name of the extension. For Azure AD join, you need to use AADLoginForWindows.
--publisher: The publisher of the extension. For Azure AD join, you need to use Microsoft.Azure.ActiveDirectory.
--version: The version of the extension. For Azure AD join, you need to use 1.0.
--settings: The settings for the extension. For Azure AD join, you need to provide a JSON object with the following property:
"mdmId": The ID of your Azure AD tenant. You can find it by using az account show --query tenantId.

Example:
# Create an Azure VM
az vm create \
--name myVM \
--resource-group myRG \
--image Win2019Datacenter \
--admin-username azureuser \
--admin-password P@ssw0rd1234 \
--authentication-type password \
--size Standard_D2s_v3 \
--location eastus

# Join the VM to your domain
az vm extension set \
--vm-name myVM \
--resource-group myRG \
--name AADLoginForWindows \
--publisher Microsoft.Azure.ActiveDirectory \
--version 1.0 \
--settings '{"mdmId": "0000000a-0000-0000-c000-000000000000"}'