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Question

Your on-premises network contains a server named Server1 and uses an IP address space of 192.168.10.0/24.

You have an Azure virtual network that contains a subnet named Subnet1. Subnet1 uses an IP address space of 192.168.10.0/24.

You need to migrate Server1 to Subnet1. You must use Azure Extended Network to maintain the existing IP address of Server1.

What is the minimum number of virtual machines that you should deploy? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

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The suggested answer is correct

Configuration in Azure

Before you use Windows Admin Center, you must perform the following steps through the Azure Portal:

  1. Create a Virtual network in Azure that contains at least two subnets, in addition to subnets required for your gateway connection. One of the subnets you create must use the same subnet CIDR as the on-premises subnet you want to extend. The subnet must be unique within your routing domain so that it does not overlap with any on-premises subnets.
  2. Configure a virtual network gateway to use a site-to-site or ExpressRoute connection to connect the virtual network to your on-premises network.
  3. Create a Windows Server 2022 Azure Edition VM in Azure that is capable of running nested virtualization. This is one of your two virtual appliances. Connect the primary network interface to the routable subnet, and the second network interface to the extended subnet.

On-premises configuration

You must also perform some manual configuration in your on-premises infrastructure, including creating a VM to serve as the on-premises virtual appliance:

  1. Make sure the subnets are available on the physical machine where you will deploy the on-premises VM (virtual appliance). This includes the subnet you want to extend and a second subnet that is unique and doesn't overlap with any subnets in the Azure virtual network.
  2. Create a Windows Server 2019 or 2022 VM on any hypervisor that supports nested virtualization. This is the on-premises virtual appliance. We recommend that you create this as a highly available VM in a cluster. Connect a virtual network adapter to the routable subnet and a second virtual network adapter to the extended subnet.

Reference

Comments
Maup33

Highly Voted 1 year, 4 months ago 

you're 2 appliances, 1 prem, 1 azure https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network

upvoted 6 times 

004b54b

2 months, 3 weeks ago 

More details, based on link provided by Maup33: Extended network for Azure should only be used for machines that cannot have their IP address changed when migrating to Azure. It is always better to change the IP address and connect it to a subnet that wholly exists in Azure, if that is an option. (https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network#overview) Extended network for Azure requires Windows Server 2022 Azure Edition for the VM that is running in Azure. (https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network#configuration-in-azure) On-prem: 2. Create a Windows Server 2019 or 2022 VM on any hypervisor that supports nested virtualization. (https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/azure-extended-network#on-premises-configuration)

upvoted 1 times 

Ksk08

Most Recent 3 weeks, 6 days ago 

Answer is correct

upvoted 1 times 

JimmyC

5 months, 1 week ago 

This is correct, though the question is oddly ambiguous when it comes to Server1. Shouldn't you have to create a third VM for Server1 in the process of migrating it to Azure? Otherwise you haven't actually performed the task. But the question doesn't mention the server edition of Server1 at all, so none of the answers could be valid for it - I guess we are ignoring it.

upvoted 2 times 

lucacose

1 year ago 

2 NVA - Network Virtual Appliance: - On prem: WinSrv 2019 or 2022 - Azure: WinSrv 2022 Azure Edition

upvoted 2 times 

lucacose

1 year, 1 month ago 

Each subnet that you are going to extend requires one pair of appliances. Extended network for Azure requires Windows Server 2022 Azure Edition for the VM that is running in Azure.

upvoted 2 times