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The Hyper-V Packer builder is able to clone an existing Hyper-V virtual machine and export them.	docs	docs-builders-hyperv-vmcx	Hyper-V Builder (from an vmcx)

Hyper-V Builder (from a vmcx)

Type: hyperv-vmcx

The Hyper-V Packer builder is able to use exported virtual machines or clone existing Hyper-V virtual machines.

The builder imports a virtual machine or clones an existing virtual machine boots it, and provisioning software within the OS, then shutting it down. The result of the Hyper-V builder is a directory containing all the files necessary to run the virtual machine portably.

Basic Example

Here is a basic example. This example is not functional. It will start the OS installer but then fail because we don't provide the preseed file for Ubuntu to self-install. Still, the example serves to show the basic configuration:

Import from folder:

{
  "type": "hyperv-vmcx",
  "clone_from_vmxc_path": "c:\\virtual machines\\ubuntu-12.04.5-server-amd64",
  "ssh_username": "packer",
  "ssh_password": "packer",
  "shutdown_command": "echo 'packer' | sudo -S shutdown -P now"
}

Clone from existing virtual machine:

{
    "clone_from_vm_name": "ubuntu-12.04.5-server-amd64",
    "shutdown_command": "echo 'packer' | sudo -S shutdown -P now",
    "ssh_password": "packer",
    "ssh_username": "packer",
    "type": "hyperv-vmcx"
}

It is important to add a shutdown_command. By default Packer halts the virtual machine and the file system may not be sync'd. Thus, changes made in a provisioner might not be saved.

Configuration Reference

There are many configuration options available for the Hyper-V builder. They are organized below into two categories: required and optional. Within each category, the available options are alphabetized and described.

In addition to the options listed here, a communicator can be configured for this builder.

Required for virtual machine import:

• clone_from_vmxc_path (string) - The path to the exported virtual machine folder.

Required for virtual machine clone:

• clone_from_vm_name (string) - The name of the vm to clone from. Ideally the machine to clone from should be shutdown.

Optional:

• clone_from_snapshot_name (string) - The name of the snapshot

• clone_all_snapshots (boolean) - Should all snapshots be cloned when the machine is cloned.

• boot_command (array of strings) - This is an array of commands to type when the virtual machine is first booted. The goal of these commands should be to type just enough to initialize the operating system installer. Special keys can be typed as well, and are covered in the section below on the boot command. If this is not specified, it is assumed the installer will start itself.

• boot_wait (string) - The time to wait after booting the initial virtual machine before typing the boot_command. The value of this should be a duration. Examples are "5s" and "1m30s" which will cause Packer to wait five seconds and one minute 30 seconds, respectively. If this isn't specified, the default is 10 seconds.

• cpu (number) - The number of cpus the virtual machine should use. If this isn't specified, the default is 1 cpu.

• enable_dynamic_memory (boolean) - If true enable dynamic memory for virtual machine. This defaults to false.

• enable_mac_spoofing (boolean) - If true enable mac spoofing for virtual machine. This defaults to false.

• enable_secure_boot (boolean) - If true enable secure boot for virtual machine. This defaults to false.

• enable_virtualization_extensions (boolean) - If true enable virtualization extensions for virtual machine. This defaults to false. For nested virtualization you need to enable mac spoofing, disable dynamic memory and have at least 4GB of RAM for virtual machine.

• floppy_files (array of strings) - A list of files to place onto a floppy disk that is attached when the VM is booted. This is most useful for unattended Windows installs, which look for an Autounattend.xml file on removable media. By default, no floppy will be attached. All files listed in this setting get placed into the root directory of the floppy and the floppy is attached as the first floppy device. Currently, no support exists for creating sub-directories on the floppy. Wildcard characters (*, ?, and []) are allowed. Directory names are also allowed, which will add all the files found in the directory to the floppy.

• floppy_dirs (array of strings) - A list of directories to place onto the floppy disk recursively. This is similar to the floppy_files option except that the directory structure is preserved. This is useful for when your floppy disk includes drivers or if you just want to organize it's contents as a hierarchy. Wildcard characters (*, ?, and []) are allowed. The maximum summary size of all files in the listed directories are the same as in floppy_files.

• guest_additions_mode (string) - How should guest additions be installed. If value attach then attach iso image with by specified by guest_additions_path. Otherwise guest additions is not installed.

• guest_additions_path (string) - The path to the iso image for guest additions.

• http_directory (string) - Path to a directory to serve using an HTTP server. The files in this directory will be available over HTTP that will be requestable from the virtual machine. This is useful for hosting kickstart files and so on. By default this is "", which means no HTTP server will be started. The address and port of the HTTP server will be available as variables in boot_command. This is covered in more detail below.

• http_port_min and http_port_max (number) - These are the minimum and maximum port to use for the HTTP server started to serve the http_directory. Because Packer often runs in parallel, Packer will choose a randomly available port in this range to run the HTTP server. If you want to force the HTTP server to be on one port, make this minimum and maximum port the same. By default the values are 8000 and 9000, respectively.

• iso_checksum (string) - The checksum for the OS ISO file. Because ISO files are so large, this is required and Packer will verify it prior to booting a virtual machine with the ISO attached. The type of the checksum is specified with iso_checksum_type, documented below.

• iso_checksum_type (string) - The type of the checksum specified in iso_checksum. Valid values are "none", "md5", "sha1", "sha256", or "sha512" currently. While "none" will skip checksumming, this is not recommended since ISO files are generally large and corruption does happen from time to time.

• iso_url (string) - A URL to the ISO or VHD containing the installation image. This URL can be either an HTTP URL or a file URL (or path to a file). If this is an HTTP URL, Packer will download iso and cache it between runs.

• iso_urls (array of strings) - Multiple URLs for the ISO or VHD to download. Packer will try these in order. If anything goes wrong attempting to download or while downloading a single URL, it will move on to the next. All URLs must point to the same file (same checksum). By default this is empty and iso_url is used. Only one of iso_url or iso_urls can be specified.

• iso_target_extension (string) - The extension of the iso file after download. This defaults to "iso".

• iso_target_path (string) - The path where the iso should be saved after download. By default will go in the packer cache, with a hash of the original filename as its name.

• output_directory (string) - This is the path to the directory where the resulting virtual machine will be created. This may be relative or absolute. If relative, the path is relative to the working directory when packer is executed. This directory must not exist or be empty prior to running the builder. By default this is "output-BUILDNAME" where "BUILDNAME" is the name of the build.

• ram_size (number) - The size, in megabytes, of the ram to create for the VM. By default, this is 1 GB.

• secondary_iso_images (array of strings) - A list of iso paths to attached to a VM when it is booted. This is most useful for unattended Windows installs, which look for an Autounattend.xml file on removable media. By default, no secondary iso will be attached.

• shutdown_command (string) - The command to use to gracefully shut down the machine once all the provisioning is done. By default this is an empty string, which tells Packer to just forcefully shut down the machine unless a shutdown command takes place inside script so this may safely be omitted. If one or more scripts require a reboot it is suggested to leave this blank since reboots may fail and specify the final shutdown command in your last script.

• shutdown_timeout (string) - The amount of time to wait after executing the shutdown_command for the virtual machine to actually shut down. If it doesn't shut down in this time, it is an error. By default, the timeout is "5m", or five minutes.

• skip_compaction (boolean) - If true skip compacting the hard disk for virtual machine when exporting. This defaults to false.

• switch_name (string) - The name of the switch to connect the virtual machine to. Be defaulting this to an empty string, Packer will try to determine the switch to use by looking for external switch that is up and running.

• switch_vlan_id (string) - This is the vlan of the virtual switch's network card. By default none is set. If none is set then a vlan is not set on the switch's network card. If this value is set it should match the vlan specified in by vlan_id.

• vlan_id (string) - This is the vlan of the virtual machine's network card for the new virtual machine. By default none is set. If none is set then vlans are not set on the virtual machine's network card.

• mac_address (string) - This allows a specific MAC address to be used on the default virtual network card. The MAC address must be a string with no delimiters, for example "0000deadbeef".

• vm_name (string) - This is the name of the virtual machine for the new virtual machine, without the file extension. By default this is "packer-BUILDNAME", where "BUILDNAME" is the name of the build.

Boot Command

The boot_command configuration is very important: it specifies the keys to type when the virtual machine is first booted in order to start the OS installer. This command is typed after boot_wait, which gives the virtual machine some time to actually load the ISO.

As documented above, the boot_command is an array of strings. The strings are all typed in sequence. It is an array only to improve readability within the template.

The boot command is "typed" character for character over the virtual keyboard to the machine, simulating a human actually typing the keyboard. There are a set of special keys available. If these are in your boot command, they will be replaced by the proper key:

• <bs> - Backspace

• <del> - Delete

• <enter> and <return> - Simulates an actual "enter" or "return" keypress.

• <esc> - Simulates pressing the escape key.

• <tab> - Simulates pressing the tab key.

• <f1> - <f12> - Simulates pressing a function key.

• <up> <down> <left> <right> - Simulates pressing an arrow key.

• <spacebar> - Simulates pressing the spacebar.

• <insert> - Simulates pressing the insert key.

• <home> <end> - Simulates pressing the home and end keys.

• <pageUp> <pageDown> - Simulates pressing the page up and page down keys.

• <leftAlt> <rightAlt> - Simulates pressing the alt key.

• <leftCtrl> <rightCtrl> - Simulates pressing the ctrl key.

• <leftShift> <rightShift> - Simulates pressing the shift key.

• <leftAltOn> <rightAltOn> - Simulates pressing and holding the alt key.

• <leftCtrlOn> <rightCtrlOn> - Simulates pressing and holding the ctrl key.

• <leftShiftOn> <rightShiftOn> - Simulates pressing and holding the shift key.

• <leftAltOff> <rightAltOff> - Simulates releasing a held alt key.

• <leftCtrlOff> <rightCtrlOff> - Simulates releasing a held ctrl key.

• <leftShiftOff> <rightShiftOff> - Simulates releasing a held shift key.

• <wait> <wait5> <wait10> - Adds a 1, 5 or 10 second pause before sending any additional keys. This is useful if you have to generally wait for the UI to update before typing more.

When using modifier keys ctrl, alt, shift ensure that you release them, otherwise they will be held down until the machine reboots. Use lowercase characters as well inside modifiers. For example: to simulate ctrl+c use <leftCtrlOn>c<leftCtrlOff>.

In addition to the special keys, each command to type is treated as a configuration template. The available variables are:

• HTTPIP and HTTPPort - The IP and port, respectively of an HTTP server that is started serving the directory specified by the http_directory configuration parameter. If http_directory isn't specified, these will be blank!

Example boot command. This is actually a working boot command used to start an Ubuntu 12.04 installer:

[
  "<esc><esc><enter><wait>",
  "/install/vmlinuz noapic ",
  "preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg ",
  "debian-installer=en_US auto locale=en_US kbd-chooser/method=us ",
  "hostname={{ .Name }} ",
  "fb=false debconf/frontend=noninteractive ",
  "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA ",
  "keyboard-configuration/variant=USA console-setup/ask_detect=false ",
  "initrd=/install/initrd.gz -- <enter>"
]

Integration Services

Packer will automatically attach the integration services iso as a dvd drive for the version of Hyper-V that is running.

Generation 1 vs Generation 2

Floppy drives are no longer supported by generation 2 machines. This requires you to take another approach when dealing with preseed or answer files. Two possible options are using virtual dvd drives or using the built in web server.

When dealing with Windows you need to enable UEFI drives for generation 2 virtual machines.

Creating iso from directory

Programs like mkisofs can be used to create an iso from a directory. There is a windows version of mkisofs.

Example powershell script. This is an actually working powershell script used to create a Windows answer iso:

$isoFolder = "answer-iso"
if (test-path $isoFolder){
  remove-item $isoFolder -Force -Recurse
}

if (test-path windows\windows-2012R2-serverdatacenter-amd64\answer.iso){
  remove-item windows\windows-2012R2-serverdatacenter-amd64\answer.iso -Force
}

mkdir $isoFolder

copy windows\windows-2012R2-serverdatacenter-amd64\Autounattend.xml $isoFolder\
copy windows\windows-2012R2-serverdatacenter-amd64\sysprep-unattend.xml $isoFolder\
copy windows\common\set-power-config.ps1 $isoFolder\
copy windows\common\microsoft-updates.ps1 $isoFolder\
copy windows\common\win-updates.ps1 $isoFolder\
copy windows\common\run-sysprep.ps1 $isoFolder\
copy windows\common\run-sysprep.cmd $isoFolder\

$textFile = "$isoFolder\Autounattend.xml"

$c = Get-Content -Encoding UTF8 $textFile

# Enable UEFI and disable Non EUFI
$c | % { $_ -replace '<!-- Start Non UEFI -->','<!-- Start Non UEFI' } | % { $_ -replace '<!-- Finish Non UEFI -->','Finish Non UEFI -->' } | % { $_ -replace '<!-- Start UEFI compatible','<!-- Start UEFI compatible -->' } | % { $_ -replace 'Finish UEFI compatible -->','<!-- Finish UEFI compatible -->' } | sc -Path $textFile

& .\mkisofs.exe -r -iso-level 4 -UDF -o windows\windows-2012R2-serverdatacenter-amd64\answer.iso $isoFolder

if (test-path $isoFolder){
  remove-item $isoFolder -Force -Recurse
}

Example For Windows Server 2012 R2 Generation 2

Packer config:

{
  "builders": [
  {
    "vm_name":"windows2012r2",
    "type": "hyperv-iso",
    "disk_size": 61440,
    "floppy_files": [],
    "secondary_iso_images": [
      "./windows/windows-2012R2-serverdatacenter-amd64/answer.iso"
    ],
    "http_directory": "./windows/common/http/",
    "boot_wait": "0s",
    "boot_command": [
      "a<wait>a<wait>a"
    ],
    "iso_url": "http://download.microsoft.com/download/6/2/A/62A76ABB-9990-4EFC-A4FE-C7D698DAEB96/9600.16384.WINBLUE_RTM.130821-1623_X64FRE_SERVER_EVAL_EN-US-IRM_SSS_X64FREE_EN-US_DV5.ISO",
    "iso_checksum_type": "md5",
    "iso_checksum": "458ff91f8abc21b75cb544744bf92e6a",
    "communicator":"winrm",
    "winrm_username": "vagrant",
    "winrm_password": "vagrant",
    "winrm_timeout" : "4h",
    "shutdown_command": "f:\\run-sysprep.cmd",
    "ram_size": 4096,
    "cpu": 4,
    "generation": 2,
    "switch_name":"LAN",
    "enable_secure_boot":true
  }],
  "provisioners": [{
    "type": "powershell",
    "elevated_user":"vagrant",
    "elevated_password":"vagrant",
    "scripts": [
      "./windows/common/install-7zip.ps1",
      "./windows/common/install-chef.ps1",
      "./windows/common/compile-dotnet-assemblies.ps1",
      "./windows/common/cleanup.ps1",
      "./windows/common/ultradefrag.ps1",
      "./windows/common/sdelete.ps1"
    ]
  }],
  "post-processors": [
    {
      "type": "vagrant",
      "keep_input_artifact": false,
      "output": "{{.Provider}}_windows-2012r2_chef.box"
    }
  ]
}

autounattend.xml:

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
    <settings pass="windowsPE">
        <component name="Microsoft-Windows-International-Core-WinPE" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <SetupUILanguage>
                <UILanguage>en-US</UILanguage>
            </SetupUILanguage>
            <InputLocale>en-US</InputLocale>
            <SystemLocale>en-US</SystemLocale>
            <UILanguage>en-US</UILanguage>
            <UILanguageFallback>en-US</UILanguageFallback>
            <UserLocale>en-US</UserLocale>
        </component>
        <component name="Microsoft-Windows-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <!-- Start Non UEFI -->
            <DiskConfiguration>
                <Disk wcm:action="add">
                    <CreatePartitions>
                        <CreatePartition wcm:action="add">
                            <Type>Primary</Type>
                            <Order>1</Order>
                            <Size>350</Size>
                        </CreatePartition>
                        <CreatePartition wcm:action="add">
                            <Order>2</Order>
                            <Type>Primary</Type>
                            <Extend>true</Extend>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <ModifyPartition wcm:action="add">
                            <Active>true</Active>
                            <Format>NTFS</Format>
                            <Label>boot</Label>
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Format>NTFS</Format>
                            <Label>Windows 2012 R2</Label>
                            <Letter>C</Letter>
                            <Order>2</Order>
                            <PartitionID>2</PartitionID>
                        </ModifyPartition>
                    </ModifyPartitions>
                    <DiskID>0</DiskID>
                    <WillWipeDisk>true</WillWipeDisk>
                </Disk>
            </DiskConfiguration>
            <ImageInstall>
                <OSImage>
                    <InstallFrom>
                        <MetaData wcm:action="add">
                            <Key>/IMAGE/NAME </Key>
                            <Value>Windows Server 2012 R2 SERVERSTANDARD</Value>
                        </MetaData>
                    </InstallFrom>
                    <InstallTo>
                        <DiskID>0</DiskID>
                        <PartitionID>2</PartitionID>
                    </InstallTo>
                </OSImage>
            </ImageInstall>
            <!-- Finish Non UEFI -->
            <!-- Start UEFI compatible
            <DiskConfiguration>
                <Disk wcm:action="add">
                    <CreatePartitions>
                        <CreatePartition wcm:action="add">
                            <Order>1</Order>
                            <Size>300</Size>
                            <Type>Primary</Type>
                        </CreatePartition>
                        <CreatePartition wcm:action="add">
                            <Order>2</Order>
                            <Size>100</Size>
                            <Type>EFI</Type>
                        </CreatePartition>
                        <CreatePartition wcm:action="add">
                            <Order>3</Order>
                            <Size>128</Size>
                            <Type>MSR</Type>
                        </CreatePartition>
                        <CreatePartition wcm:action="add">
                            <Order>4</Order>
                            <Extend>true</Extend>
                            <Type>Primary</Type>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <ModifyPartition wcm:action="add">
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                            <Label>WINRE</Label>
                            <Format>NTFS</Format>
                            <TypeID>de94bba4-06d1-4d40-a16a-bfd50179d6ac</TypeID>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Order>2</Order>
                            <PartitionID>2</PartitionID>
                            <Label>System</Label>
                            <Format>FAT32</Format>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Order>3</Order>
                            <PartitionID>3</PartitionID>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Order>4</Order>
                            <PartitionID>4</PartitionID>
                            <Label>Windows</Label>
                            <Format>NTFS</Format>
                        </ModifyPartition>
                    </ModifyPartitions>
                    <DiskID>0</DiskID>
                    <WillWipeDisk>true</WillWipeDisk>
                </Disk>
                <WillShowUI>OnError</WillShowUI>
            </DiskConfiguration>
            <ImageInstall>
                <OSImage>
                    <InstallFrom>
                        <MetaData wcm:action="add">
                            <Key>/IMAGE/NAME </Key>
                            <Value>Windows Server 2012 R2 SERVERSTANDARD</Value>
                        </MetaData>
                    </InstallFrom>
                    <InstallTo>
                        <DiskID>0</DiskID>
                        <PartitionID>4</PartitionID>
                    </InstallTo>
                </OSImage>
            </ImageInstall>
            Finish UEFI compatible -->
            <UserData>
                <!-- Product Key from http://technet.microsoft.com/en-us/library/jj612867.aspx -->
                <ProductKey>
                    <!-- Do not uncomment the Key element if you are using trial ISOs -->
                    <!-- You must uncomment the Key element (and optionally insert your own key) if you are using retail or volume license ISOs -->
                    <!--<Key>D2N9P-3P6X9-2R39C-7RTCD-MDVJX</Key>-->
                    <WillShowUI>OnError</WillShowUI>
                </ProductKey>
                <AcceptEula>true</AcceptEula>
                <FullName>Vagrant</FullName>
                <Organization>Vagrant</Organization>
            </UserData>
        </component>
    </settings>
    <settings pass="specialize">
        <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <OEMInformation>
                <HelpCustomized>false</HelpCustomized>
            </OEMInformation>
            <ComputerName>vagrant-2012r2</ComputerName>
            <TimeZone>Coordinated Universal Time</TimeZone>
            <RegisteredOwner />
        </component>
        <component name="Microsoft-Windows-ServerManager-SvrMgrNc" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <DoNotOpenServerManagerAtLogon>true</DoNotOpenServerManagerAtLogon>
        </component>
        <component name="Microsoft-Windows-IE-ESC" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <IEHardenAdmin>false</IEHardenAdmin>
            <IEHardenUser>false</IEHardenUser>
        </component>
        <component name="Microsoft-Windows-OutOfBoxExperience" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <DoNotOpenInitialConfigurationTasksAtLogon>true</DoNotOpenInitialConfigurationTasksAtLogon>
        </component>
        <component name="Microsoft-Windows-Security-SPP-UX" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <SkipAutoActivation>true</SkipAutoActivation>
        </component>
    </settings>
    <settings pass="oobeSystem">
<!-- Start Setup cache proxy during installation
        <component name="Microsoft-Windows-IE-ClientNetworkProtocolImplementation" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <POLICYProxySettingsPerUser>0</POLICYProxySettingsPerUser>
            <HKLMProxyEnable>true</HKLMProxyEnable>
            <HKLMProxyServer>cache-proxy:3142</HKLMProxyServer>
        </component>
Finish Setup cache proxy during installation -->
        <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <AutoLogon>
                <Password>
                    <Value>vagrant</Value>
                    <PlainText>true</PlainText>
                </Password>
                <Enabled>true</Enabled>
                <Username>vagrant</Username>
            </AutoLogon>
            <FirstLogonCommands>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c powershell -Command "Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Force"</CommandLine>
                    <Description>Set Execution Policy 64 Bit</Description>
                    <Order>1</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>C:\Windows\SysWOW64\cmd.exe /c powershell -Command "Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Force"</CommandLine>
                    <Description>Set Execution Policy 32 Bit</Description>
                    <Order>2</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm quickconfig -q</CommandLine>
                    <Description>winrm quickconfig -q</Description>
                    <Order>3</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm quickconfig -transport:http</CommandLine>
                    <Description>winrm quickconfig -transport:http</Description>
                    <Order>4</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config @{MaxTimeoutms="1800000"}</CommandLine>
                    <Description>Win RM MaxTimoutms</Description>
                    <Order>5</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/winrs @{MaxMemoryPerShellMB="300"}</CommandLine>
                    <Description>Win RM MaxMemoryPerShellMB</Description>
                    <Order>6</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/service @{AllowUnencrypted="true"}</CommandLine>
                    <Description>Win RM AllowUnencrypted</Description>
                    <Order>7</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/service/auth @{Basic="true"}</CommandLine>
                    <Description>Win RM auth Basic</Description>
                    <Order>8</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/client/auth @{Basic="true"}</CommandLine>
                    <Description>Win RM client auth Basic</Description>
                    <Order>9</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/listener?Address=*+Transport=HTTP @{Port="5985"} </CommandLine>
                    <Description>Win RM listener Address/Port</Description>
                    <Order>10</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c netsh advfirewall firewall set rule group="remote administration" new enable=yes </CommandLine>
                    <Description>Win RM adv firewall enable</Description>
                    <Order>11</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c netsh advfirewall firewall add rule name="WinRM 5985" protocol=TCP dir=in localport=5985 action=allow</CommandLine>
                    <Description>Win RM port open</Description>
                    <Order>12</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c netsh advfirewall firewall add rule name="WinRM 5986" protocol=TCP dir=in localport=5986 action=allow</CommandLine>
                    <Description>Win RM port open</Description>
                    <Order>13</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c net stop winrm </CommandLine>
                    <Description>Stop Win RM Service </Description>
                    <Order>14</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c sc config winrm start= disabled</CommandLine>
                    <Description>Win RM Autostart</Description>
                    <Order>15</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ /v HideFileExt /t REG_DWORD /d 0 /f</CommandLine>
                    <Order>16</Order>
                    <Description>Show file extensions in Explorer</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKCU\Console /v QuickEdit /t REG_DWORD /d 1 /f</CommandLine>
                    <Order>17</Order>
                    <Description>Enable QuickEdit mode</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ /v Start_ShowRun /t REG_DWORD /d 1 /f</CommandLine>
                    <Order>18</Order>
                    <Description>Show Run command in Start Menu</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ /v StartMenuAdminTools /t REG_DWORD /d 1 /f</CommandLine>
                    <Order>19</Order>
                    <Description>Show Administrative Tools in Start Menu</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Control\Power\ /v HibernateFileSizePercent /t REG_DWORD /d 0 /f</CommandLine>
                    <Order>20</Order>
                    <Description>Zero Hibernation File</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Control\Power\ /v HibernateEnabled /t REG_DWORD /d 0 /f</CommandLine>
                    <Order>21</Order>
                    <Description>Disable Hibernation Mode</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c wmic useraccount where "name='vagrant'" set PasswordExpires=FALSE</CommandLine>
                    <Order>22</Order>
                    <Description>Disable password expiration for vagrant user</Description>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/winrs @{MaxShellsPerUser="30"}</CommandLine>
                    <Description>Win RM MaxShellsPerUser</Description>
                    <Order>23</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c winrm set winrm/config/winrs @{MaxProcessesPerShell="25"}</CommandLine>
                    <Description>Win RM MaxProcessesPerShell</Description>
                    <Order>24</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>%SystemRoot%\System32\reg.exe ADD "HKLM\System\CurrentControlSet\Services\Netlogon\Parameters" /v DisablePasswordChange /t REG_DWORD /d 1 /f</CommandLine>
                    <Description>Turn off computer password</Description>
                    <Order>25</Order>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=allow</CommandLine>
                    <Description>ICMP open for ping</Description>
                    <Order>26</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <!-- WITH WINDOWS UPDATES -->
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c IF EXIST a:\set-power-config.ps1 (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File a:\set-power-config.ps1) ELSE (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File f:\set-power-config.ps1)</CommandLine>
                    <Order>97</Order>
                    <Description>Turn off all power saving and timeouts</Description>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c IF EXIST a:\microsoft-updates.ps1 (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File a:\microsoft-updates.ps1) ELSE (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File f:\microsoft-updates.ps1)</CommandLine>
                    <Order>98</Order>
                    <Description>Enable Microsoft Updates</Description>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <SynchronousCommand wcm:action="add">
                    <CommandLine>cmd.exe /c IF EXIST a:\win-updates.ps1 (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File a:\win-updates.ps1) ELSE (C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -File f:\win-updates.ps1)</CommandLine>
                    <Description>Install Windows Updates</Description>
                    <Order>100</Order>
                    <RequiresUserInput>true</RequiresUserInput>
                </SynchronousCommand>
                <!-- END WITH WINDOWS UPDATES -->
            </FirstLogonCommands>
            <OOBE>
                <HideEULAPage>true</HideEULAPage>
                <HideLocalAccountScreen>true</HideLocalAccountScreen>
                <HideOEMRegistrationScreen>true</HideOEMRegistrationScreen>
                <HideOnlineAccountScreens>true</HideOnlineAccountScreens>
                <HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
                <NetworkLocation>Work</NetworkLocation>
                <ProtectYourPC>1</ProtectYourPC>
            </OOBE>
            <UserAccounts>
                <AdministratorPassword>
                    <Value>vagrant</Value>
                    <PlainText>true</PlainText>
                </AdministratorPassword>
                <LocalAccounts>
                    <LocalAccount wcm:action="add">
                        <Password>
                            <Value>vagrant</Value>
                            <PlainText>true</PlainText>
                        </Password>
                        <Group>administrators</Group>
                        <DisplayName>Vagrant</DisplayName>
                        <Name>vagrant</Name>
                        <Description>Vagrant User</Description>
                    </LocalAccount>
                </LocalAccounts>
            </UserAccounts>
            <RegisteredOwner />
            <TimeZone>Coordinated Universal Time</TimeZone>
        </component>
    </settings>
    <settings pass="offlineServicing">
        <component name="Microsoft-Windows-LUA-Settings" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <EnableLUA>false</EnableLUA>
        </component>
    </settings>
    <cpi:offlineImage cpi:source="wim:c:/projects/baseboxes/9600.16384.winblue_rtm.130821-1623_x64fre_server_eval_en-us-irm_sss_x64free_en-us_dv5_slipstream/sources/install.wim#Windows Server 2012 R2 SERVERDATACENTER" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>

sysprep-unattend.xml:

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
    <settings pass="generalize">
        <component language="neutral" name="Microsoft-Windows-Security-SPP" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <SkipRearm>1</SkipRearm>
        </component>
    </settings>
    <settings pass="oobeSystem">
<!-- Setup proxy after sysprep
       <component name="Microsoft-Windows-IE-ClientNetworkProtocolImplementation" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <POLICYProxySettingsPerUser>1</POLICYProxySettingsPerUser>
            <HKLMProxyEnable>false</HKLMProxyEnable>
            <HKLMProxyServer>cache-proxy:3142</HKLMProxyServer>
        </component>
Finish proxy after sysprep -->
        <component language="neutral" name="Microsoft-Windows-International-Core" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <InputLocale>0809:00000809</InputLocale>
            <SystemLocale>en-GB</SystemLocale>
            <UILanguage>en-US</UILanguage>
            <UILanguageFallback>en-US</UILanguageFallback>
            <UserLocale>en-GB</UserLocale>
        </component>
        <component language="neutral" name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
            <OOBE>
                <HideEULAPage>true</HideEULAPage>
                <HideOEMRegistrationScreen>true</HideOEMRegistrationScreen>
                <HideOnlineAccountScreens>true</HideOnlineAccountScreens>
                <HideWirelessSetupInOOBE>true</HideWirelessSetupInOOBE>
                <NetworkLocation>Work</NetworkLocation>
                <ProtectYourPC>1</ProtectYourPC>
                <SkipUserOOBE>true</SkipUserOOBE>
                <SkipMachineOOBE>true</SkipMachineOOBE>
            </OOBE>
            <UserAccounts>
                <AdministratorPassword>
                    <Value>vagrant</Value>
                    <PlainText>true</PlainText>
                </AdministratorPassword>
                <LocalAccounts>
                    <LocalAccount wcm:action="add">
                        <Password>
                            <Value>vagrant</Value>
                            <PlainText>true</PlainText>
                        </Password>
                        <Group>administrators</Group>
                        <DisplayName>Vagrant</DisplayName>
                        <Name>vagrant</Name>
                        <Description>Vagrant User</Description>
                    </LocalAccount>
                </LocalAccounts>
            </UserAccounts>
            <DisableAutoDaylightTimeSet>true</DisableAutoDaylightTimeSet>
            <TimeZone>Coordinated Universal Time</TimeZone>
            <VisualEffects>
                <SystemDefaultBackgroundColor>2</SystemDefaultBackgroundColor>
            </VisualEffects>
        </component>
    </settings>
</unattend>

Example For Ubuntu Vivid Generation 2

If you are running Windows under virtualization, you may need to create a virtual switch with an External connection type.

Packer config:

{
  "variables": {
    "vm_name": "ubuntu-xenial",
    "cpu": "2",
    "ram_size": "1024",
    "disk_size": "21440",
    "iso_url": "http://releases.ubuntu.com/16.04/ubuntu-16.04.1-server-amd64.iso",
    "iso_checksum_type": "sha1",
    "iso_checksum": "DE5EE8665048F009577763EFBF4A6F0558833E59"
  },
  "builders": [
  {
    "vm_name":"{{user `vm_name`}}",
    "type": "hyperv-iso",
    "disk_size": "{{user `disk_size`}}",
    "guest_additions_mode": "disable",
    "iso_url": "{{user `iso_url`}}",
    "iso_checksum_type": "{{user `iso_checksum_type`}}",
    "iso_checksum": "{{user `iso_checksum`}}",
    "communicator":"ssh",
    "ssh_username": "packer",
    "ssh_password": "packer",
    "ssh_timeout" : "4h",
    "http_directory": "./",
    "boot_wait": "5s",
    "boot_command": [
      "<esc><wait10><esc><esc><enter><wait>",
      "set gfxpayload=1024x768<enter>",
      "linux /install/vmlinuz ",
      "preseed/url=http://{{.HTTPIP}}:{{.HTTPPort}}/hyperv-taliesins.cfg ",
      "debian-installer=en_US auto locale=en_US kbd-chooser/method=us ",
      "hostname={{.Name}} ",
      "fb=false debconf/frontend=noninteractive ",
      "keyboard-configuration/modelcode=SKIP keyboard-configuration/layout=USA ",
      "keyboard-configuration/variant=USA console-setup/ask_detect=false <enter>",
      "initrd /install/initrd.gz<enter>",
      "boot<enter>"
    ],
    "shutdown_command": "echo 'packer' | sudo -S -E shutdown -P now",
    "ram_size": "{{user `ram_size`}}",
    "cpu": "{{user `cpu`}}",
    "generation": 2,
    "enable_secure_boot": false
  }]
}

preseed.cfg:

## Options to set on the command line
d-i debian-installer/locale string en_US.utf8
d-i console-setup/ask_detect boolean false
d-i console-setup/layout string us

d-i netcfg/get_hostname string nl-ams-basebox3
d-i netcfg/get_domain string unassigned-domain

d-i time/zone string UTC
d-i clock-setup/utc-auto boolean true
d-i clock-setup/utc boolean true

d-i kbd-chooser/method select American English

d-i netcfg/wireless_wep string

d-i base-installer/kernel/override-image string linux-server

d-i debconf debconf/frontend select Noninteractive

d-i pkgsel/install-language-support boolean false
tasksel tasksel/first multiselect standard, ubuntu-server

## Partitioning
d-i partman-auto/method string lvm

d-i partman-lvm/confirm boolean true
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-lvm/confirm boolean true

d-i partman-auto-lvm/guided_size string max
d-i partman-auto/choose_recipe select atomic

d-i partman/confirm_write_new_label boolean true
d-i partman/choose_partition select finish
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true

# Write the changes to disks and configure LVM?
d-i partman-lvm/confirm boolean true
d-i partman-lvm/confirm_nooverwrite boolean true

d-i partman-partitioning/no_bootable_gpt_biosgrub boolean false
d-i partman-partitioning/no_bootable_gpt_efi boolean false
d-i partman-efi/non_efi_system boolean true

# Default user
d-i passwd/user-fullname string packer
d-i passwd/username string packer
d-i passwd/user-password password packer
d-i passwd/user-password-again password packer
d-i user-setup/encrypt-home boolean false
d-i user-setup/allow-password-weak boolean true

# Minimum packages
d-i pkgsel/include string openssh-server ntp linux-tools-$(uname -r) linux-cloud-tools-$(uname -r) linux-cloud-tools-common

# Upgrade packages after debootstrap? (none, safe-upgrade, full-upgrade)
# (note: set to none for speed)
d-i pkgsel/upgrade select none

d-i grub-installer/only_debian boolean true
d-i grub-installer/with_other_os boolean true
d-i finish-install/reboot_in_progress note

d-i pkgsel/update-policy select none

choose-mirror-bin mirror/http/proxy string