Disaster Recovery: Restoring to Microsoft Azure using an uploaded VHD and Datto Utilities



This article describes how to restore a Datto-protected system to a Microsoft Azure environment using Hyper-V Manager and the Datto Utilities Bare Metal Restore process.


  • Hyper-V Manager
  • Datto Utilities
  • Microsoft Azure


This method is required due to Microsoft Azure's compatibility with the multi-image files that the Datto appliance produces in the image export process. You will need to create a Fixed-Size VHD, associate the image and the Datto Utilities ISO with a new virtual machine, then upload it to Microsoft Azure.

While this article describes how to create a single Fixed-Size VHD, multiple can be created if needed.

Creating a Fixed-Size VHD

1. From Hyper-V Manager, click ActionsNewHard Disk.

Figure 1: Selecting Hard Disk (click to enlarge)

2. Click Next on the Before You Begin screen.

Figure 2: Before You Begin (click to enlarge)

3. Select VHD, then click Next.

Figure 3: Choose Disk Format (click to enlarge)

4. Select Fixed-Size as the Disk Type.

Figure 4: Choose Disk Type (click to enlarge)

5. Enter the name and location of where the VHD will be created.

Figure 5: Specify Name and Location (click to enlarge)

6. Select Create a new blank virtual hard disk, enter a size, then click Next. The default size is 127GB; the maximum size Microsoft Azure allows is 1TB.

Figure 6: New Virtual Hard Disk Wizard (click to enlarge)

7. Review your new virtual hard disk, then select Finish.

Creating a new Virtual Machine

1. From Hyper-V Manager, click NewVirtual Machine to display the New Virtual Machine Wizard. In the wizard, select Next.

Figure 7: Selecting Virtual Machine (click to enlarge)

2. Enter the name of the virtual machine, then click Next.

Figure 8: Specify Name and Location (click to enlarge)

3. Enter the amount of memory to allocate the virtual machine, then click Next.

Figure 9: Assign Memory (click to enlarge)

4. Select Generation 1 for the virtual machine generation, then click Next. Once a virtual machine has been created, you cannot change its generation.

Figure 10: New Virtual Machine Wizard (click to enlarge)

5. Configure the network adapter that the virtual machine will use, or select None using the Connection drop-down, then click Next.

Figure 11: Configure Networking (click to enlarge)

6. Select Attach a Virtual Hard Disk later, then click Next.

Figure 12: Connect Virtual Hard Disk (click to enlarge)

7. Review all configured virtual machine settings, then click Finish. Repeat all steps as necessary for multiple VHD files.

Attaching the VHD and Datto Utilities ISO

1. Right-click the virtual machine, then click Settings.

Figure 13: Selecting Settings (click to enlarge)

2. Select IDE Controller 0, followed by Hard Drive, then click Add.

Figure 14: IDE Controller 0 (click to enlarge)

3. Click Browse and navigate to the location of where the VHD file was created, then click Open.

Figure 15: Browsing for the VHD file (click to enlarge)

4. In the virtual machine's hardware listing, select IDE Controller 0, followed by DVD Drive, then click Add.

Figure 15: IDE Controller 1 (click to enlarge)

5. Select Media is Image File and then attach the Datto Utilities ISO, which is available from https://www.datto.com/downloads/datto-utilities.iso (external link).

Figure 16: Browsing for the Datto Utilities ISO (click to enlarge)

6. Click OK to save modified settings.

7. Verify that the BIOS setting in Hardware displays as Boot from CD.

Upload to Microsoft Azure

Follow the steps in Prepare a Windows VHD or VHDX (external link) and Upload a generalized VHD and use it to create new VMs in Azure (external link) articles to prepare and upload your created VHD.

Performing the BMR

After the upload is complete, you can then boot into the Datto Utilities environment in Microsoft Azure by following the steps in the Booting a Target Machine with Datto Utilities article, and perform a Bare Metal Restore.

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