Migrating a VMware VM to Azure using Azure Site Recovery

This blog post will show how I migrated a VMware virtual machine  to Azure using Azure Site Recovery. A full list of prerequisites for your Azure and on-prem environment can be found here.

My setup:

  • vSphere 5.5 on-prem
  • VMware account with read-only permission (this is what I chose, see here for account roles and what each one does. I do not need to shutdown the on-prem VM automatically)
  • Site to Site VPN in Azure – (no Expressroute yet) I will be failing over my VM into the Vnet associated with this site to site VPN so I can connect to it over private IP.
  • Configuration Server/Process server – A single Windows Server 2012 R2 in VMware with PowerCLI 6.0 installed. More info can be found here

 Creating the Recovery Services vault

In portal.azure.com click on More services, then search for Recovery Services vaults. Once in there create the Recovery Services vault.

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Give it a Name, and select the Azure subscription, and either select an existing resource group or create a new one, and select the location.

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Once the Recovery Vault is created, the Infrastructure will be prepared. In the Settings of the Recovery Services Vault that was created, select Site Recovery under Getting Started, then select Step 1: Prepare Infrastructure.

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Microsoft Azure Site Recovery Unified Setup will be downloaded so it can be installed it on the VMware Configuration Server, and the vault registration key will be downloaded.

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Installing Site Recovery Unified Setup on Configuration Server

In order to proceed, the Configuration Server in VMware needs to be setup. To do this Site Recovery Unified Setup needs to be installed on the Configuration Server in VMware.

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MySQL Community Server will be downloaded and installed.

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Browse to the vault registration key which was downloaded earlier

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Depending on the environment, a proxy may need to be specified.

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Specify a password which will be used for the MySQL database.

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VMware machines will be protected. vSphere Power CLI 6.0 is already installed.

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The network interface for the VMware virtual machine is selected.

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The installation is completed.

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Adding the VMware account to Azure configuration server to discover VM’s

On the desktop of the Configuration Server, there is a shortcut for Cspsconfigtool. Open this and specify the VMware service account. This will be used to discover virtual machines. I have created a service account in vSphere with read-only rights.

“A vCenter user account with a read-only role can run failover but can’t shut down protected source machines. If you want to shut down those machines you’ll need the Azure_Site_Recovery role. If you’re only migrating VMs from VMware to Azure and don’t need to failback then the read-only role is sufficient.”

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The Configuration Server and vCenter host has been selected (I have greyed mine out)

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Select the Azure subscription. I am using Resource Manager for my deployment model. Make sure you have a storage account to where the virtual machines can be replicated to, and a virtual network.

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Give the Replication Policy a name and choose the appropriate values.

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Select the appropriate capacity planning for your environment.

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Installing mobility service on the VM to be replicated and migrated:

For the virtual machine to replicate to Azure, the mobility service needs to be installed. I have chosen to install this manually. The installation files can be copied from the Configuration Server in C:\Program Files (x86)\Microsoft Azure Site Recovery\home\svsystems\pushinstallsvc\repository directory.

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Type in the IP address of the Configuration Server. You can get the passphrase by running the command below in the screenshot.

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Now that the mobility service is installed, the virtual machine can be replicated. I have greyed out the values below. The source should be the Configuration Server, select Virtual Machines as machine type, vCenter and Process Server should automatically fill in.

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Type in the name of the virtual machine which the mobility service as installed on

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Type in the target name or leave it as default if it is supported

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After the data has been replicated, the virtual machine is now protected.

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In order to migrate the virtual machine to Azure, an Unplanned Failover will be performed. I have shutdown the on-prem virtual machine manually because a read-only account was specified for VMware (read-only role can run failover but can’t shut down protected source machines)

More information on Failovers can be found here

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The Unplanned Failover is now complete.

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On the virtual machine, select More, then select Complete Migration. This will remove the virtual machine from being replicated.

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Once the migration has been completed the virtual machine can be seen running in Azure. I have deleted the on-prem VM in VMware and have updated the on-prem DNS to point to the private IP of the VM in Azure.

The virtual machine will be accessed over the site-to-site VPN (or even better if you are using an Expressroute)

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