Update quick-backup-vm-terraform.md

Author: TomArcherMsft

articles/backup/quick-backup-vm-terraform.md

@@ -2,7 +2,7 @@
 title: 'Quickstart: Back up a virtual machine in Azure with Terraform'
 description: In this quickstart, you learn how to configure Azure Backup to run a backup on demand by creating and configuring an Azure Windows virtual machine, virtual network, subnet, public IP, network security group, network interface, storage account, Backup recovery services vault, and Backup policy. 
 ms.topic: quickstart
-ms.date: 04/02/2025
+ms.date: 04/03/2025
 ms.custom: devx-track-terraform
 ms.service: windows
 author: jyothisuri
@@ -40,10 +40,7 @@ In this article, you learn how to:
 
 ## Implement the Terraform code
 
-> [!NOTE]
-> The sample code for this article is located in the [Azure Terraform GitHub repo](https://github.com/Azure/terraform/tree/master/quickstart/101-backup-vm). You can view the log file containing the [test results from current and previous versions of Terraform](https://github.com/Azure/terraform/tree/master/quickstart/101-backup-vm/TestRecord.md).
-> 
-> See more [articles and sample code showing how to use Terraform to manage Azure resources](/azure/terraform).
+The sample code for this article is located in the [Azure Terraform GitHub repo](https://github.com/Azure/terraform/tree/master/quickstart/101-backup-vm). You can view the log file containing the [test results from current and previous versions of Terraform](https://github.com/Azure/terraform/tree/master/quickstart/101-backup-vm/TestRecord.md). See more [articles and sample code showing how to use Terraform to manage Azure resources](/azure/terraform).
 
 1. Create a directory in which to test and run the sample Terraform code, and make it the current directory.
 
@@ -59,6 +56,13 @@ In this article, you learn how to:
 1. Create a file named `variables.tf`, and insert the following code:
     :::code language="Terraform" source="~/terraform_samples/quickstart/101-backup-vm/variables.tf":::
 
+> [!IMPORTANT]
+> If you're using the 4.x azurerm provider, you must [explicitly specify the Azure subscription ID](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/guides/4.0-upgrade-guide#specifying-subscription-id-is-now-mandatory) to authenticate to Azure before running the Terraform commands.
+>
+> One way to specify the Azure subscription ID without putting it in the `providers` block is to specify the subscription ID in an environment variable named `ARM_SUBSCRIPTION_ID`.
+>
+> For more information, see the [Azure provider reference documentation](https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs#argument-reference).
+
 ## Initialize Terraform
 
 [!INCLUDE [terraform-init.md](~/azure-dev-docs-pr/articles/terraform/includes/terraform-init.md)]
@@ -73,8 +77,6 @@ In this article, you learn how to:
 
 ## Verify the results
 
-### Azure CLI
-
 1. Get the Azure resource group name.
 
     ```console
@@ -103,27 +105,14 @@ In this article, you learn how to:
                                     --backup-management-type AzureIaaSVM
     ```
 
-1. Run [`az backup job list`](/cli/azure/backup/job#az-backup-job-list) to monitor the backup job.
+1. Run [`az backup job list`](/cli/azure/backup/job#az-backup-job-list) to monitor the backup job. When the *Status* of the backup job reports *Completed*, your VM is protected with Backup recovery services and has a full recovery point stored.
 
     ```azurecli
     az backup job list --resource-group $resource_group_name \
                        --vault-name $recovery_services_vault_name \
                        --output table
     ```
 
-    The output is similar to the following example, which shows the backup job is *InProgress*:
-
-    ```output
-    Name      Operation        Status      Item Name    Start Time UTC       Duration
-    --------  ---------------  ----------  -----------  -------------------  --------------
-    a0a8e5e6  Backup           InProgress  myvm         2017-09-19T03:09:21  0:00:48.718366
-    fe5d0414  ConfigureBackup  Completed   myvm         2017-09-19T03:03:57  0:00:31.191807
-    ```
-
-    When the *Status* of the backup job reports *Completed*, your VM is protected with Backup recovery services and has a full recovery point stored.
-
----
-
 ## Clean up resources
 
 [!INCLUDE [terraform-plan-destroy.md](~/azure-dev-docs-pr/articles/terraform/includes/terraform-plan-destroy.md)]