Confidential VM backup - Supportability updates

Author: AbhishekMallick-MS

articles/backup/backup-support-matrix-iaas.md

@@ -2,7 +2,7 @@
 title: Support matrix for Azure VM backups
 description: Get a summary of support settings and limitations for backing up Azure VMs by using the Azure Backup service.
 ms.topic: conceptual
-ms.date: 04/04/2024
+ms.date: 04/19/2024
 ms.custom: references_regions, linux-related-content
 ms.reviewer: sharrai
 ms.service: backup
@@ -180,7 +180,7 @@ Configure standalone Azure VMs in Windows Storage Spaces | Not supported.
 [Restore Virtual Machine Scale Sets](../virtual-machine-scale-sets/virtual-machine-scale-sets-orchestration-modes.md#scale-sets-with-flexible-orchestration) | Supported for the flexible orchestration model to back up and restore a single Azure VM.
 Restore with managed identities | Supported for managed Azure VMs. <br><br> Not supported for classic and unmanaged Azure VMs. <br><br> Cross-region restore isn't supported with managed identities. <br><br> Currently, this is available in all Azure public and national cloud regions. <br><br> [Learn more](backup-azure-arm-restore-vms.md#restore-vms-with-managed-identities).
 <a name="tvm-backup">Back up trusted launch VMs</a>    |  Backup is supported. <br><br> Backup of trusted launch VMs is supported through [Enhanced policy](backup-azure-vms-enhanced-policy.md). You can enable backup through a [Recovery Services vault](./backup-azure-arm-vms-prepare.md), the [pane for managing a VM](./backup-during-vm-creation.md#start-a-backup-after-creating-the-vm), and the [pane for creating a VM](backup-during-vm-creation.md#create-a-vm-with-backup-configured).    <br><br>   **Feature details**   <br><br> - Backup is supported in all regions where trusted launch VMs are available. <br><br> - Configuration of backups, alerts, and monitoring for trusted launch VMs is supported through the backup center. <br><br> - Migration of an existing [Gen2 VM](../virtual-machines/generation-2.md) (protected with Azure Backup) to a trusted launch VM is currently not supported. [Learn how to create a trusted launch VM](../virtual-machines/trusted-launch-portal.md?tabs=portal#deploy-a-trusted-launch-vm).  <br><br> - Item-level restore is supported for the scenarios mentioned [here](backup-support-matrix-iaas.md#support-for-file-level-restore).      <br><br>     Note that if the trusted launch VM was created by converting a Standard VM, ensure that you remove all the recovery points created using Standard policy before enabling the backup operation for the VM. 
-[Back up confidential VMs](../confidential-computing/confidential-vm-overview.md) | The backup support is in limited preview. <br><br> Backup is supported only for confidential VMs that have no confidential disk encryption and for confidential VMs that have confidential OS disk encryption through a platform-managed key (PMK). <br><br> Backup is currently not supported for confidential VMs that have confidential OS disk encryption through a customer-managed key (CMK). <br><br> **Feature details** <br><br> - Backup is supported in [all regions where confidential VMs are available](../confidential-computing/confidential-vm-overview.md#regions). <br><br> - Backup is supported only if you're using [Enhanced policy](backup-azure-vms-enhanced-policy.md). You can configure backup through the [pane for creating a VM](backup-azure-arm-vms-prepare.md), the [pane for managing a VM](backup-during-vm-creation.md#start-a-backup-after-creating-the-vm), and the [Recovery Services vault](backup-azure-arm-vms-prepare.md). <br><br> - [Cross-region restore](backup-azure-arm-restore-vms.md#cross-region-restore) and file recovery (item-level restore) for confidential VMs are currently not supported.
+[Back up confidential VMs](../confidential-computing/confidential-vm-overview.md) | Unsupported. <br><br>    Note that the following limited preview support scenarios are discontinued and currently not available: <br><br> - Backup of Confidential VMs with no confidential disk encryption.   <br> - Backup of Confidential VMs with confidential OS disk encryption through a platform-managed key (PMK).
 
 ## VM storage support