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Merge pull request #211343 from v-amallick/Sept-15-2022-VM
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articles/backup/backup-azure-arm-restore-vms.md

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**Restore disk** | Restores a VM disk, which can then be used to create a new VM.<br/><br/> Azure Backup provides a template to help you customize and create a VM. <br/><br> The restore job generates a template that you can download and use to specify custom VM settings, and create a VM.<br/><br/> The disks are copied to the Resource Group you specify.<br/><br/> Alternatively, you can attach the disk to an existing VM, or create a new VM using PowerShell.<br/><br/> This option is useful if you want to customize the VM, add configuration settings that weren't there at the time of backup, or add settings that must be configured using the template or PowerShell.
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**Replace existing** | You can restore a disk, and use it to replace a disk on the existing VM.<br/><br/> The current VM must exist. If it's been deleted, this option can't be used.<br/><br/> Azure Backup takes a snapshot of the existing VM before replacing the disk, and stores it in the staging location you specify. Existing disks connected to the VM are replaced with the selected restore point.<br/><br/> The snapshot is copied to the vault, and retained in accordance with the retention policy. <br/><br/> After the replace disk operation, the original disk is retained in the resource group. You can choose to manually delete the original disks if they aren't needed. <br/><br/>Replace existing is supported for unencrypted managed VMs, including VMs [created using custom images](https://azure.microsoft.com/resources/videos/create-a-custom-virtual-machine-image-in-azure-resource-manager-with-powershell/). It's unsupported for classic VMs, unmanaged VMs, and [generalized VMs](../virtual-machines/windows/upload-generalized-managed.md).<br/><br/> If the restore point has more or less disks than the current VM, then the number of disks in the restore point will only reflect the VM configuration.<br><br> Replace existing is also supported for VMs with linked resources, like [user-assigned managed-identity](../active-directory/managed-identities-azure-resources/overview.md) or [Key Vault](../key-vault/general/overview.md).
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**Cross Region (secondary region)** | Cross Region restore can be used to restore Azure VMs in the secondary region, which is an [Azure paired region](../availability-zones/cross-region-replication-azure.md).<br><br> You can restore all the Azure VMs for the selected recovery point if the backup is done in the secondary region.<br><br> During the backup, snapshots aren't replicated to the secondary region. Only the data stored in the vault is replicated. So secondary region restores are only [vault tier](about-azure-vm-restore.md#concepts) restores. The restore time for the secondary region will be almost the same as the vault tier restore time for the primary region. <br><br> This feature is available for the options below:<br><br> - [Create a VM](#create-a-vm) <br> - [Restore Disks](#restore-disks) <br><br> We don't currently support the [Replace existing disks](#replace-existing-disks) option.<br><br> Permissions<br> The restore operation on secondary region can be performed by Backup Admins and App admins.
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**Cross Subscription Restore** | Allows you to restore Azure Virtual Machines or disks to any subscription (as per the Azure RBAC capabilities) from restore points. <br><br> You can trigger Cross Subscription Restore for managed virtual machines only. <br><br> Cross Subscription Restore is currently enabled only in [standard policy](backup-during-vm-creation.md#create-a-vm-with-backup-configured) from Vault tier. It's also supported for [Restore with Managed System Identities (MSI)](backup-azure-arm-restore-vms.md#restore-vms-with-managed-identities). <br><br> It's unsupported from [snapshots](backup-azure-vms-introduction.md#snapshot-creation) and [secondary region](backup-azure-arm-restore-vms.md#restore-in-secondary-region) restores. <br><br> It's unsupported for [Encrypted Azure VMs](backup-azure-vms-introduction.md#encryption-of-azure-vm-backups) and [Trusted Launch VMs](backup-support-matrix-iaas.md#tvm-backup).
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**Cross Subscription Restore** | Allows you to restore Azure Virtual Machines or disks to any subscription (as per the Azure RBAC capabilities) from restore points. <br><br> You can trigger Cross Subscription Restore for managed virtual machines only. <br><br> Cross Subscription Restore is supported for [Restore with Managed System Identities (MSI)](backup-azure-arm-restore-vms.md#restore-vms-with-managed-identities). <br><br> It's unsupported from [snapshots](backup-azure-vms-introduction.md#snapshot-creation) and [secondary region](backup-azure-arm-restore-vms.md#restore-in-secondary-region) restores. <br><br> It's unsupported for [Encrypted Azure VMs](backup-azure-vms-introduction.md#encryption-of-azure-vm-backups) and [Trusted Launch VMs](backup-support-matrix-iaas.md#tvm-backup).
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>[!Tip]

articles/backup/backup-azure-vm-backup-faq.yml

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- question: Can I restore an Azure Virtual Machine in a different subscription?
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answer: |
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Yes, [Cross Subscription Restore now](backup-azure-arm-restore-vms.md#restore-options) allows you to restore Azure VMs from a recovery point in one subscription to another under tenant as per Azure role-based access control (Azure RBAC) rules. Cross Subscription Restore is only supported from vault tier and not from [snapshots](backup-azure-vms-introduction.md#snapshot-creation).
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Yes, [Cross Subscription Restore now](backup-azure-arm-restore-vms.md#restore-options) allows you to restore Azure VMs from a recovery point in one subscription to another under tenant as per Azure role-based access control (Azure RBAC) rules. Cross Subscription Restore is unsupported from [snapshots](backup-azure-vms-introduction.md#snapshot-creation) and [secondary region](backup-azure-arm-restore-vms.md#restore-in-secondary-region) restores.
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- question: Does Cross Subscription Restore support all Azure VM?
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No, it's unsupported for [Encrypted Azure VMs](backup-azure-vms-introduction.md#encryption-of-azure-vm-backups) and [Trusted Launch VMs](backup-support-matrix-iaas.md#tvm-backup).
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- question: Can I use Azure VM snapshots to restore in another subscription?
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No, [Cross Subscription Restore](backup-azure-arm-restore-vms.md#restore-options) is only supported from vault tier and not from [snapshots](backup-azure-vms-introduction.md#snapshot-creation).
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No, [Cross Subscription Restore](backup-azure-arm-restore-vms.md#restore-options) is unsupported from [snapshot](backup-azure-vms-introduction.md#snapshot-creation) restore.
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- question: Can I perform Cross Subscription Restore for Azure VMs running in secondary regions?
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No, [Cross Subscription Restore](backup-azure-arm-restore-vms.md#restore-options) does not support restore from [secondary regions](backup-azure-arm-restore-vms.md#restore-in-secondary-region).
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- question: Can I use Enhanced policy for Cross Subscription Restore?
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No, [Cross subscription Restore](backup-azure-arm-restore-vms.md#restore-options) is currently enabled only in [standard policy](backup-during-vm-creation.md#create-a-vm-with-backup-configured).
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Yes, it's supported for [Cross subscription Restore](backup-azure-arm-restore-vms.md#restore-options).
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- name: Manage VM backups
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