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Set-VMBios

Windows Server 2012 R2 and Windows 8.1

Updated: June 10, 2014

Applies To: Windows 8.1, Windows PowerShell 4.0, Windows Server 2012 R2

Set-VMBios

Configures the BIOS of a Generation 1 virtual machine.

Syntax

Parameter Set: VMName
Set-VMBios [-VMName] <String[]> [-ComputerName <String[]> ] [-DisableNumLock] [-EnableNumLock] [-Passthru] [-StartupOrder {CD | IDE | LegacyNetworkAdapter | Floppy}[] ] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: VMBios
Set-VMBios [-VMBios] <VMBios[]> [-DisableNumLock] [-EnableNumLock] [-Passthru] [-StartupOrder {CD | IDE | LegacyNetworkAdapter | Floppy}[] ] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: VMObject
Set-VMBios [-VM] <VirtualMachine[]> [-DisableNumLock] [-EnableNumLock] [-Passthru] [-StartupOrder {CD | IDE | LegacyNetworkAdapter | Floppy}[] ] [-Confirm] [-WhatIf] [ <CommonParameters>]




Detailed Description

The Set-VMBios cmdlet configures the BIOS of a Generation 1 virtual machine. Note: This cmdlet does not operate with Generation 2 virtual machine. If attempted, the cmdlet throws an error.

Parameters

-ComputerName<String[]>

Specifies one or more Hyper-V hosts for which the BIOS is to be configured. NetBIOS names, IP addresses, and fully-qualified domain names are allowable. The default is the local computer — use “localhost” or a dot (“.”) to specify the local computer explicitly.


Aliases

none

Required?

false

Position?

named

Default Value

.

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-DisableNumLock

Specifies that NumLock is to be disabled in the BIOS of the virtual machine to be configured.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-EnableNumLock

Specifies that NumLock is to be enabled in the BIOS of the virtual machine to be configured.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Passthru

Specifies that an Microsoft.HyperV.PowerShell.Bios object is to be passed through to the pipeline representing the BIOS to be configured.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-StartupOrder<BootDevice[]>

Specifies an array of boot devices representing the boot order in the BIOS of the virtual machine. The boot devices are specified as members of the BootDevices enumeration (CD, IDE, LegacyNetworkAdapter, Floppy).

Note: The other BootDevices enumeration values of VHD and NetworkAdapter are for Generation 2 VMs only, and are not valid with this cmdlet.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-VM<VirtualMachine[]>

Specifies the virtual machine for which the BIOS is to be configured.


Aliases

none

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

True (ByValue)

Accept Wildcard Characters?

false

-VMBios<VMBios[]>

Specifies an array of BIOS objects. The cmdlet configures the BIOS that you specify for the virtual machines. To obtain a BIOS object, use the Get-VMBios cmdlet.


Aliases

none

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

True (ByValue)

Accept Wildcard Characters?

false

-VMName<String[]>

Specifies the name of the virtual machine for which the BIOS is to be configured.


Aliases

none

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

True (ByValue)

Accept Wildcard Characters?

false

-Confirm

Prompts you for confirmation before running the cmdlet.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

<CommonParameters>

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see    about_CommonParameters.

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

Outputs

The output type is the type of the objects that the cmdlet emits.

  • None by default; Microsoft.HyperV.PowerShell.Bios if –PassThru is specified.


Examples

Example 1

This example disables the NumLock key by default on virtual machine TestVM.


PS C:\> Set-VMBios TestVM -DisableNumLock

Example 2

This example configures virtual machine TestVM to check for a boot device in the following order: floppy disk, network, CD drive, hard disk.


PS C:\> Set-VMBios TestVM -StartupOrder @("Floppy", "LegacyNetworkAdapter", "CD", "IDE")

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