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Copy file name to clipboardExpand all lines: articles/backup/back-up-azure-stack-hyperconverged-infrastructure-virtual-machines.md
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title: Back up Azure Stack HCI virtual machines with MABS
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title: Back up Azure Local virtual machines with MABS
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description: This article contains the procedures to back up and recover virtual machines using Microsoft Azure Backup Server (MABS).
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ms.topic: how-to
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ms.date: 09/11/2024
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ms.date: 11/23/2024
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ms.service: azure-backup
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ms.custom: engagement-fy24
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author: AbhishekMallick-MS
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ms.author: v-abhmallick
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---
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# Back up Azure Stack HCI virtual machines with Azure Backup Server
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# Back up Azure Local virtual machines with Azure Backup Server
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This article describes how to back up virtual machines running on Azure Stack HCI, versions *23 H2* and *22 H2*, using Microsoft Azure Backup Server (MABS).
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This article describes how to back up virtual machines running on Azure Local, versions *23 H2* and *22 H2*, using Microsoft Azure Backup Server (MABS).
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## Supported scenarios
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MABS can back up Azure Stack HCI virtual machines in the following scenarios:
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MABS can back up Azure Local virtual machines in the following scenarios:
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-**Azure Stack HCI Host**: Back up and recover System State/BMR of the Azure Stack HCI host. The MABS protection agent must be installed on the host.
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-**Azure Local Host**: Back up and recover System State/BMR of the Azure Local host. The MABS protection agent must be installed on the host.
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-**Virtual machines in cluster with local or direct storage**: Back up guest virtual machines in a cluster that has local or directly attached storage. For example, a hard drive, a storage area network (SAN) device, or a network attached storage (NAS) device.
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-**Virtual machines in a cluster with CSV storage**: Back up guest virtual machines hosted on an Azure Stack HCI cluster with Cluster Shared Volume (CSV) storage. The MABS protection agent is installed on each cluster node.
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-**Virtual machines in a cluster with CSV storage**: Back up guest virtual machines hosted on an Azure Local instance with Cluster Shared Volume (CSV) storage. The MABS protection agent is installed on each cluster node.
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-**VM Move within a cluster**: When VMs are moved within a stretched/normal cluster, MABS continues to protect the virtual machines as long as the MABS protection agent is installed on the Azure Stack HCI host. The way in which MABS protects the virtual machines depends on the type of live migration involved. With a VM Move within a cluster, MABS detects the migration, and backs up the virtual machine from the new cluster node without any requirement for user intervention. Because the storage location hasn't changed, MABS continues with express full backups.
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-**VM Move within a cluster**: When VMs are moved within a stretched/normal cluster, MABS continues to protect the virtual machines as long as the MABS protection agent is installed on the Azure Local host. The way in which MABS protects the virtual machines depends on the type of live migration involved. With a VM Move within a cluster, MABS detects the migration, and backs up the virtual machine from the new cluster node without any requirement for user intervention. Because the storage location hasn't changed, MABS continues with express full backups.
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-**VM Move to a different stretched/normal cluster**: VM Move to a different stretched/normal cluster is not supported.
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-**Arc VMs**: [Arc VMs](/azure/azure-arc/servers/overview) add fabric management capabilities in addition to [Arc-enabled servers](/azure/azure-arc/servers/overview). These allow *IT admins* to create, modify, delete, and assign permissions and roles to *app owners*, thereby enabling *self-service VM management*. Recovery of Arc VMs is supported in a limited capacity in Azure Stack HCI, version 23H2.
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-**Arc VMs**: [Arc VMs](/azure/azure-arc/servers/overview) add fabric management capabilities in addition to [Arc-enabled servers](/azure/azure-arc/servers/overview). These allow *IT admins* to create, modify, delete, and assign permissions and roles to *app owners*, thereby enabling *self-service VM management*. Recovery of Arc VMs is supported in a limited capacity in Azure Local, version 23H2.
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The following table lists the various levels of backup and restore capabilities for Azure Arc VMs:
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## Host versus guest backup
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MABS can do a host or guest-level backup of VMs on Azure Stack HCI. At the host level, the MABS protection agent is installed on the Azure Stack HCI host server or cluster and protects the entire VMs and data files running on that host. At the guest level, the agent is installed on each virtual machine and protects the workload present on that machine.
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MABS can do a host or guest-level backup of VMs on Azure Local. At the host level, the MABS protection agent is installed on the Azure Local host machine or cluster and protects the entire VMs and data files running on that host. At the guest level, the agent is installed on each virtual machine and protects the workload present on that machine.
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Both methods have pros and cons:
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- Guest-level backup is useful if you want to protect specific workloads running on a virtual machine. At host-level you can recover an entire VM or specific files, but it won't provide recovery in the context of a specific application. For example, to recover specific SharePoint items from a backed-up VM, you should do guest-level backup of that VM. Use guest-level backup if you want to protect data stored on passthrough disks. Passthrough allows the virtual machine to directly access the storage device and doesn't store virtual volume data in a VHD file.
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>[!Note]
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>*Passthrough disks* aren't supported in Azure Stack HCI.
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>*Passthrough disks* aren't supported in Azure Local.
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## Backup prerequisites
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| Prerequisite | Details |
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| ------------ | ------- |
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| MABS prerequisites | <ul> <li>If you want to perform item-level recovery for virtual machines (recover files, folders, volumes), then you'll need to install the Hyper-V role on the MABS server. If you only want to recover the virtual machine and not item-level, then the role isn't required.</li> <li>You can protect up to 800 virtual machines of 100 GB each on one MABS server and allow multiple MABS servers that support larger clusters.</li> <li>MABS excludes the page file from incremental backups to improve virtual machine backup performance.</li> <li>MABS can back up a server or cluster in the same domain as the MABS server, or in a child or trusted domain. If you want to back up VMs in a workgroup or an untrusted domain, you'll need to set up authentication. For a single server, you can use NTLM or certificate authentication. For a cluster, you can use certificate authentication only.</li> <li>Using host-level backup to back up virtual machine data on passthrough disks isn't supported. In this scenario, we recommend you use host-level backup to back up VHD files and guest-level backup to back up the other data that isn't visible on the host.</li> <li>You can back up VMs stored on deduplicated volumes.</li> </ul> |
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| VM | <ul> <li> The version of Integration Components that's running on the virtual machine should be the same as the version of the Azure Stack HCI host. </li> <li> For each virtual machine backup you'll need free space on the volume hosting the virtual hard disk files to allow enough room for differencing disks (AVHDs) during backup. The space must be at least equal to the calculation Initial disk size*Churn rate*Backup window time. If you're running multiple backups on a cluster, you'll need enough storage capacity to accommodate the AVHDs for each of the virtual machines using this calculation. </li> </ul> |
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| VM | <ul> <li> The version of Integration Components that's running on the virtual machine should be the same as the version of the Azure Local host. </li> <li> For each virtual machine backup you'll need free space on the volume hosting the virtual hard disk files to allow enough room for differencing disks (AVHDs) during backup. The space must be at least equal to the calculation Initial disk size*Churn rate*Backup window time. If you're running multiple backups on a cluster, you'll need enough storage capacity to accommodate the AVHDs for each of the virtual machines using this calculation. </li> </ul> |
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| Linux prerequisites | <ul><li> You can back up Linux virtual machines using MABS. Only file-consistent snapshots are supported.</li></ul> |
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## Back up virtual machines
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- **Recover to original instance**: When you recover to the original instance, the original VHD and all associated checkpoints are deleted. MABS recovers the VHD and other configuration files to the original location using Hyper-V VSS writer. At the end of the recovery process, virtual machines are still highly available.
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The resource group must be present for recovery. If it isn't available, recover to an alternate location and then make the virtual machine highly available.
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- **Recover as virtual machine to any host**: MABS supports alternate location recovery (ALR), which provides a seamless recovery of a protected Azure Stack HCI virtual machine to a different host within the same cluster, independent of processor architecture. Azure Stack HCI virtual machines that are recovered to a cluster node won't be highly available. If you choose this option, the Recovery Wizard presents you with an additional screen for identifying the destination and destination path.
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- **Recover as virtual machine to any host**: MABS supports alternate location recovery (ALR), which provides a seamless recovery of a protected Azure Local virtual machine to a different host within the same cluster, independent of processor architecture. Azure Local virtual machines that are recovered to a cluster node won't be highly available. If you choose this option, the Recovery Wizard presents you with an additional screen for identifying the destination and destination path.
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>[!NOTE]
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>- There's limited support for Alternate location recovery (ALR) for Arc VMs. The VM is recovered as a Hyper-V VM, instead of an Arc VM. Currently, conversion of Hyper-V VMs to Arc VMs isn't supported once you create them.
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>- If you select the original host, the behavior is the same as **Recover to original instance**. The original VHD and all associated checkpoints will be deleted.
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- **Copy to a network folder**: MABS supports item-level recovery (ILR), which allows you to do item-level recovery of files, folders, volumes, and virtual hard disks (VHDs) from a host-level backup of Azure Stack HCI virtual machines to a network share or a volume on a MABS protected server. The MABS protection agent doesn't have to be installed inside the guest to perform item-level recovery. If you choose this option, the Recovery Wizard presents you with an additional screen for identifying the destination and destination path.
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- **Copy to a network folder**: MABS supports item-level recovery (ILR), which allows you to do item-level recovery of files, folders, volumes, and virtual hard disks (VHDs) from a host-level backup of Azure Local virtual machines to a network share or a volume on a MABS protected server. The MABS protection agent doesn't have to be installed inside the guest to perform item-level recovery. If you choose this option, the Recovery Wizard presents you with an additional screen for identifying the destination and destination path.
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5. In **Specify Recovery Options**, configure the recovery options and select **Next**:
Copy file name to clipboardExpand all lines: articles/backup/backup-azure-microsoft-azure-backup.md
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title: Use Azure Backup Server to back up workloads
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description: In this article, learn how to prepare your environment to protect and back up workloads using Microsoft Azure Backup Server (MABS).
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ms.topic: how-to
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ms.date: 04/30/2024
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ms.date: 11/23/2024
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ms.service: azure-backup
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author: AbhishekMallick-MS
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ms.author: v-abhmallick
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> Applies To: MABS v4.
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This article explains how to prepare your environment to back up workloads using Microsoft Azure Backup Server (MABS). With Azure Backup Server, you can protect application workloads, such as Hyper-V VMs, VMware VMs, Azure Stack HCI VMs, Microsoft SQL Server, SharePoint Server, Microsoft Exchange, and Windows clients from a single console.
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This article explains how to prepare your environment to back up workloads using Microsoft Azure Backup Server (MABS). With Azure Backup Server, you can protect application workloads, such as Hyper-V VMs, VMware VMs, Azure Local VMs, Microsoft SQL Server, SharePoint Server, Microsoft Exchange, and Windows clients from a single console.
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> [!NOTE]
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> To learn more about backing up VMware servers with Azure Backup Server, see the article, [Use Azure Backup Server to back up a VMware server](backup-azure-backup-server-vmware.md). To learn about security capabilities, refer to [Azure Backup security features documentation](backup-azure-security-feature.md).
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> * A computer on which the Application Server role is installed
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> * A computer that's a System Center Operations Manager management server
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> * A computer on which Exchange Server is running
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> * A computer that's a node of a cluster
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> * A computer that's a node of a system
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> Installing Azure Backup Server isn't supported on Windows Server Core or Microsoft Hyper-V Server.
| Hyper-V host - MABS protection agent on Hyper-V host server, cluster, or VM | Windows Server 2022, 2019, 2016, 2012 R2, 2012 | Physical server <br><br> Hyper-V virtual machine <br><br> VMware virtual machine | V4 | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives |
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| Azure Stack HCI | V1, 20H2, 21H2, 22H2, and 23H2 | Physical server <br><br> Hyper-V / Azure Stack HCI virtual machine <br><br> VMware virtual machine | V4 | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives <br><br> Recovery of Arc VMs is supported in a limited capacity in Azure Stack HCI, version 23H2. [Learn more](back-up-azure-stack-hyperconverged-infrastructure-virtual-machines.md). |
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| Azure Local | V1, 20H2, 21H2, 22H2, and 23H2 | Physical server <br><br> Hyper-V / Azure Local virtual machine <br><br> VMware virtual machine | V4 | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives <br><br> Recovery of Arc VMs is supported in a limited capacity in Azure Local, version 23H2. [Learn more](back-up-azure-stack-hyperconverged-infrastructure-virtual-machines.md). |
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| VMware VMs | VMware server 6.5, 6.7, 7.0, 8.0 (Licensed Version) | Hyper-V virtual machine <br><br> VMware virtual machine | V4 | Protect: VMware VMs on cluster-shared volumes (CSVs), NFS, and SAN storage <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives <br><br> VMware vApps aren't supported. <br><br> vSphere 8.0 DataSets feature isn't supported for backup. |
| Hyper-V host - MABS protection agent on Hyper-V host server, cluster, or VM | Windows Server 2022, 2019, 2016, 2012 R2, 2012 | Physical server <br><br> Hyper-V virtual machine <br><br> VMware virtual machine | V3 UR1 and V3 UR2 | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives |
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| Azure Stack HCI | V1, 20H2, and 21H2 | Physical server <br><br> Hyper-V / Azure Stack HCI virtual machine <br><br> VMware virtual machine | V3 UR2 and later | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives |
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| Azure Local | V1, 20H2, and 21H2 | Physical server <br><br> Hyper-V / Azure Local virtual machine <br><br> VMware virtual machine | V3 UR2 and later | Protect: Virtual machines, cluster shared volumes (CSVs) <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives |
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| VMware VMs | VMware server 5.5, 6.0, or 6.5, 6.7 (Licensed Version) | Hyper-V virtual machine <br><br> VMware virtual machine | V3 UR1 | Protect: VMware VMs on cluster-shared volumes (CSVs), NFS, and SAN storage <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives <br><br> VMware vApps aren't supported. |
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| VMware VMs | VMware server 7.0, 6.7, 6.5 or 6.0 (Licensed Version) | Hyper-V virtual machine <br><br> VMware virtual machine | V3 UR2 and later | Protect: VMware VMs on cluster-shared volumes (CSVs), NFS, and SAN storage <br><br> Recover: Virtual machine, Item-level recovery of files and folders available only for Windows, volumes, virtual hard drives <br><br> VMware vApps aren't supported. |
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