![]() ![]() Then attach the restored disk to the virtual machine. If the restored disk is OS disk, you can swap the OS disk of a virtual machine from the Azure portal under the Virtual machine pane - > Disks menu in the Settings section.įor Windows virtual machines, if the restored disk is a data disk, follow the instructions to detach the original data disk from the virtual machine. If the restored disk is a data disk, you can attach an existing disk to a virtual machine. To use the restored disk on an existing virtual machine, you'll need to perform more steps: Restore will create a new disk from the selected recovery point in the target resource group that was provided during the restore operation. If incremental snapshots are deleted or moved from the snapshot resource group.the Backup vault's managed identity role assignments are revoked on the Snapshot resource group where incremental snapshots are stored.the Backup vault's managed identity doesn't have valid role assignments on the Target resource group.a disk with the same name provided in Restored disk name already exists in the Target resource group.Validation might take few minutes to complete before you can trigger restore operation. Provide the name of the disk to be restored. In the Restore parameters tab, select the Target subscription and Target resource group where you want to restore the backup to. In the Restore workflow, review the Basics and Select recovery point tab information, and select Next: Restore parameters. In the Backup instance screen, select the restore point that you want to use to perform the restore operation and select Restore. From the list of backup instances, select the disk backup instance for which you want to perform the restore operation.Īlternately, you can perform this operation from the Backup vault you used to configure backup for the disk. Select Backup instances under the Manage section. In the Azure portal, go to Backup center. Once the prerequisites are met, follow these steps to perform the restore operation. If the disk to be restored is encrypted with customer-managed keys (CMK) or using double encryption using platform-managed keys and customer-managed keys, then assign the Reader role permission to the Backup Vault’s managed identity on the Disk Encryption Set resource. If the snapshots are deleted or moved from the Snapshot Resource Group or if the Backup vault role assignments are revoked on the Snapshot Resource Group, the restore operation will fail. Azure Backup uses these incremental snapshots during the restore operation. While the role assignments are reflected correctly on the portal, it may take approximately 15 minutes for the permission to be applied on the backup vault’s managed identity.ĭuring scheduled backups or an on-demand backup operation, Azure Backup stores the disk incremental snapshots in the Snapshot Resource Group provided during configuring backup of the disk. The following pre-requisites are required to perform a restore operation:Īssign the Disk Restore Operator role to the Backup Vault’s managed identity on the Resource group where the disk will be restored by the Azure Backup service. Managed identity is a service principal of a special type that may only be used with Azure resources. You can grant permissions to the managed identity by using Azure role-based access control (Azure RBAC). To restore from backup, Backup vault’s managed identity requires a set of permissions on the resource group where the disk is to be restored.īackup vault uses a system assigned managed identity, which is restricted to one per resource and is tied to the lifecycle of this resource. This is known as Alternate-Location Recovery (ALR) and this helps to keep both the source disk and the restored (new) disk.īackup Vault uses Managed Identity to access other Azure resources. You can restore from a recovery point to create a new disk either in the same resource group as that of the source disk from where the backups were taken or in any other resource group. This article explains how to restore Azure Managed Disks from a restore point created by Azure Backup.Ĭurrently, the Original-Location Recovery (OLR) option of restoring by replacing existing the source disk from where the backups were taken isn't supported.
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