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

How Restore to Microsoft Azure Works

Veeam Backup & Replication lets you restore physical and virtual machines from backups residing in the on-premises environment to Microsoft Azure. The restore process differs for Microsoft Windows and Linux machines.

Restore of Microsoft Windows Machines

To restore a Microsoft Windows machine, Veeam Backup & Replication performs the following steps:

  1. If you use an Azure proxy for restore, Veeam Backup & Replication powers on the Azure proxy. For more information about the Azure proxy, see Configuring Azure Proxies.
  2. Veeam Backup & Replication converts disks of a backed up machine to the VHD format and uploads converted disks to blob storage in Microsoft Azure.
  3. Veeam Backup & Replication mounts uploaded disks to the backup server.
  4. Veeam Backup & Replication prepares disks for VM restore. As part of this process, it enables Remote Desktop rules, configures firewall rules, prepares disks for Microsoft Azure agent installation and so on.
  5. Veeam Backup & Replication unmounts prepared disks from the backup server.
  6. If you use an Azure proxy for restore, Veeam Backup & Replication powers off the Azure proxy after a timeout.
  7. Veeam Backup & Replication registers a Microsoft Azure VM with the prepared machine disks. After the registration process is complete, the Microsoft Azure VM is powered on immediately, and the Microsoft Azure agent is installed on the machine.

How Restore to Microsoft Azure Works 

Restore of Linux Machines

For restore of Linux machines, Veeam Backup & Replication uses a helper appliance. The helper appliance is a small auxiliary Linux-based VM in Microsoft Azure registered by Veeam Backup & Replication. During the restore process, Veeam Backup & Replication mounts disks of a backed up machine to the helper appliance to prepare disks for restore.

You can set up a helper appliance when you configure initial settings for restore to Microsoft Azure. If you plan to restore Linux machines to different locations, you must set up several appliances — one appliance in every location.

The helper appliance is persistent. After you set up the appliance, it remains in Microsoft Azure in the powered off state. Veeam Backup & Replication starts the helper appliance for a short period of time during the restore process and powers the appliance off when the restore process is complete.

To restore a Linux machine, Veeam Backup & Replication performs the following steps:

  1. If you use an Azure proxy for restore, Veeam Backup & Replication powers on the Azure proxy. For more information about the Azure proxy, see Configuring Azure Proxies.
  2. Veeam Backup & Replication converts disks of a backed up machine to the VHD format and uploads converted disks to blob storage in Microsoft Azure.
  3. Veeam Backup & Replication mounts uploaded disks to the helper appliance that resides in the location to which you restore the Linux machine.
  4. Veeam Backup & Replication starts the helper appliance with mounted disks.
  5. Veeam Backup & Replication prepares disks for VM restore. As part of this process, it enables remote connection rules, configures firewall rules and so on.
  6. Veeam Backup & Replication unmounts prepared disks from the helper appliance and powers off the helper appliance.
  7. If you use an Azure proxy for restore, Veeam Backup & Replication powers off the Azure proxy after a timeout.
  8. Veeam Backup & Replication registers a Microsoft Azure VM with the prepared machine disks. After the registration process is complete, the VM is powered on immediately.

How Restore to Microsoft Azure Works 

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