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Veeam Backup & Replication 9.5
User Guide for Microsoft Hyper-V

Backup of VMs on Microsoft Hyper-V 2016 and Nano Servers

Veeam Backup & Replication has the following limitations for work with Microsoft Hyper-V 2016 and Microsoft Nano Servers:

  • You cannot assign roles of backup infrastructure components, for example, WAN accelerators, backup proxies and so on, to Microsoft Nano Servers. You can add Microsoft Nano Servers only as Microsoft Hyper-V hosts and Microsoft SMB3 servers to the backup infrastructure.
  • Veeam Backup & Replication works with VMs registered on Microsoft Nano Servers only in the onhost backup mode.
  • Veeam Backup & Replication does not support processing of VMs with shared VHDX disks that are registered on Microsoft Hyper-V 2016. You must change the disk format to VHD Set (VHDS).
  • Application-aware processing is not supported for VMs running Microsoft Nano Server.
  • If Microsoft Hyper-V Server 2016/Microsoft Nano Servers and hosts of lower versions are added to the same cluster, Veeam Backup & Replication will not use new mechanisms to work for VMs in this cluster (for example, online backup with checkpoints and RCT for change block tracking). The new mechanisms will be used only after you perform the following actions:
  • Upgrade all nodes in the cluster to Microsoft Hyper-V Server 2016/Microsoft Nano Server
  • Upgrade the cluster functional level
  • Upgrade VM configuration version to 8.0

Shielded VMs

Veeam Backup & Replication has the following limitations on processing of shielded VMs:

  • Veeam Backup & Replication cannot interact with the guest OS of a shielded VM and get information about its OS, IP address and so on. For this reason, the following operations are not supported for shielded VMs:
  • Application-aware image processing
  • Restore of VM guest OS files to the original location
  • Restore of application items to the original location
  • Shielded VMs can run only on trusted hosts guarded with the Host Guardian Service. Bear it in mind when selecting a target host for VM replication or VM restore. If the target host is not guarded with the same Host Guardian Service as the source host, you will not be able to power on the replicated or restored VM.
  • If VM guest disks are encrypted with Bitlocker, Veeam Backup & Replication will not be able to restore VM guest OS files and application items from such disks.

Items 2 and 3 in the list above also apply to Generation 1 of Microsoft Hyper-V VMs that use Key Storage Drive. For more information about Key Storage Drive, see https://technet.microsoft.com/en-us/windows-server-docs/compute/hyper-v/learn-more/Generation-1-virtual-machine-security-settings-for-Hyper-V.

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