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title OT sensor VM (Microsoft Hyper-V) Gen 1- Microsoft Defender for IoT
description Learn about deploying a Microsoft Defender for IoT OT sensor as a virtual appliance using Microsoft Hyper-V.
ms.date 03/27/2024
ms.topic reference

OT network sensor VM (Microsoft Hyper-V) Gen 1

This article describes an OT sensor deployment on a virtual appliance using Microsoft Hyper-V.

Appliance characteristic Details
Hardware profile As required for your organization. For more information, see Which appliances do I need?
Performance As required for your organization. For more information, see Which appliances do I need?
Physical specifications Virtual Machine
Status Supported

Note

We recommend using the 2nd Generation configuration, which offers better performance and increased security, for configuration see Microsoft Hyper-V Gen 2. [!IMPORTANT] Versions 22.2.x of the sensor are incompatible with Hyper-V, and are no longer supported. We recommend using the latest version.

Prerequisites

Before you begin the installation, make sure you have the following items:

Make sure the hypervisor is running.

Note

There is no need to pre-install an operating system on the VM, the sensor installation includes the operating system image.

Create the virtual machine

This procedure describes how to create a virtual machine by using Hyper-V.

To create the virtual machine using Hyper-V:

  1. Create a virtual disk in Hyper-V Manager (Fixed size, as required by the hardware profile).

  2. Select format = VHDX.

  3. Enter the name and location for the VHD.

  4. Enter the required size according to your organization's needs (select Fixed Size disk type).

  5. Review the summary, and select Finish.

  6. On the Actions menu, create a new virtual machine.

  7. Enter a name for the virtual machine.

  8. Select Generation and set it to Generation 1, and then select Next.

  9. Specify the memory allocation according to your organization's needs, in standard RAM denomination (for example, 8192, 16384, 32768). Don't enable Dynamic Memory.

  10. Configure the network adaptor according to your server network topology. Under the "Hardware Acceleration" blade, disable "Virtual Machine Queue" for the monitoring (SPAN) network interface.

  11. Connect the VHDX, created previously, to the virtual machine.

  12. Review the summary, and select Finish.

  13. Right-click on the new virtual machine, and select Settings.

  14. Select Add Hardware, and add a new network adapter.

  15. Select the virtual switch that connects to the sensor management network.

  16. Allocate CPU resources according to your organization's needs.

  17. Select BIOS, in Startup order move IDE to the top of the list, select Apply and then select OK.

  18. Connect the OT sensor's ISO image to a virtual DVD drive.

  19. Start the virtual machine.

  20. On the Actions menu, select Connect to continue the software installation.

Software installation

  1. To start installing the OT sensor software, open the virtual machine console.

    The VM starts from the ISO image, and the language selection screen will appear.

  2. Continue with the generic procedure for installing sensor software.

Next steps

Continue understanding system requirements for physical or virtual appliances. For more information, see Which appliances do I need? and OT monitoring with virtual appliances.

Then, use any of the following procedures to continue: