Updated command set

docset/winserver2025-ps/hyper-v/Add-VMAssignableDevice.md

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+---
+description: Assigns a device to a virtual machine.
+external help file: Microsoft.HyperV.PowerShell.Cmdlets.dll-Help.xml
+Module Name: Hyper-V
+ms.date: 06/12/2024
+online version: https://learn.microsoft.com/powershell/module/hyper-v/add-vmassignabledevice?view=windowsserver2025-ps&wt.mc_id=ps-gethelp
+schema: 2.0.0
+title: Add-VMAssignableDevice
+---
+
+# Add-VMAssignableDevice
+
+## SYNOPSIS
+Adds an assignable device to a specific virtual machine.
+
+## SYNTAX
+
+### VMName (Default)
+
+```
+Add-VMAssignableDevice [-CimSession <CimSession[]>] [-ComputerName <String[]>]
+ [-Credential <PSCredential[]>] [-VMName] <String[]> [-InstancePath <String>]
+ [-LocationPath <String>] [-VirtualFunction <UInt16>] [-ResourcePoolName <String>] [-Passthru]
+ [-WhatIf] [-Confirm] [<CommonParameters>]
+```
+
+### VMObject
+
+```
+Add-VMAssignableDevice [-VM] <VirtualMachine[]> [-InstancePath <String>] [-LocationPath <String>]
+ [-VirtualFunction <UInt16>] [-ResourcePoolName <String>] [-Passthru] [-WhatIf] [-Confirm]
+ [<CommonParameters>]
+```
+
+## DESCRIPTION
+
+The `Add-VMAssignableDevice` cmdlet assigns a physical device to a specified virtual machine (VM).
+This is commonly used for tasks such as attaching GPUs or network adapters directly to a VM to
+enhance performance for specific applications or workloads. The device can be specified through its
+instance path, location path, or assignable device object.
+
+## EXAMPLES
+
+### Example 1
+
+```powershell
+Add-VMAssignableDevice -VMName "MyVM" -InstancePath "PCIROOT(0)#PCI(0300)#PCI(0000)"
+```
+
+This example attaches a physical device, identified by its instance path, to the virtual machine
+named **MyVM**.
+
+### Example 2
+
+```powershell
+$gpu = Get-VMHostAssignableDevice
+Add-VMHostAssignableDevice -HostAssignableDevice $gpu -ResourcePoolName "GpuChildPool"
+```
+
+This example retrieves a list of GPUs or other assignable devices and adds these devices to a
+resource pool named **GpuChildPool**, making the devices available for use by virtual machines in
+that resource pool.
+
+## PARAMETERS
+
+### -CimSession
+
+Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session
+object, such as the output of a [New-CimSession](/powershell/module/cimcmdlets/new-cimsession)
+or [Get-CimSession](/powershell/module/cimcmdlets/get-cimsession) cmdlet. The default is the
+current session on the local computer.
+
+```yaml
+Type: CimSession[]
+Parameter Sets: VMName
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -ComputerName
+
+Specifies one or more Hyper-V hosts on which the assignable devices are to be retrieved. NetBIOS
+names, IP addresses, and fully qualified domain names are allowed. The default is the local
+computer. Use localhost or a dot (`.`) to specify the local computer explicitly.
+
+```yaml
+Type: String[]
+Parameter Sets: VMName
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Credential
+
+Specifies one or more user accounts that have permission to perform this action. The default is the
+current user.
+
+```yaml
+Type: PSCredential[]
+Parameter Sets: VMName
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -InstancePath
+
+Represents the Device Instance path in the host machine.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -LocationPath
+
+Specifies the location path to the assignable device
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Passthru
+
+Returns an object for each process that the cmdlet started.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -ResourcePoolName
+
+Specifies the name of the resource pool to which the device is to be assigned.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -VirtualFunction
+
+Specifies the number of the virtual function (VF) of an SR-IOV-capable network adapter assigned to
+the virtual machine.
+
+```yaml
+Type: UInt16
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -VM
+
+Specifies the virtual machine to which the device is to be assigned.
+
+```yaml
+Type: VirtualMachine[]
+Parameter Sets: VMObject
+Aliases:
+
+Required: True
+Position: 0
+Default value: None
+Accept pipeline input: True (ByValue)
+Accept wildcard characters: False
+```
+
+### -VMName
+
+Specifies the name of the virtual machine to which the device is to be assigned.
+
+```yaml
+Type: String[]
+Parameter Sets: VMName
+Aliases:
+
+Required: True
+Position: 0
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Confirm
+
+Prompts you for confirmation before running the cmdlet.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases: cf
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -WhatIf
+
+Shows what would happen if the cmdlet runs. The cmdlet is not run.
+
+```yaml
+Type: SwitchParameter
+Parameter Sets: (All)
+Aliases: wi
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### CommonParameters
+
+This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
+-InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose,
+-WarningAction, and -WarningVariable. For more information, see
+[about_CommonParameters](/powershell/module/microsoft.powershell.core/about/about_commonparameters).
+
+## INPUTS
+
+### Microsoft.HyperV.PowerShell.VirtualMachine[]
+
+## OUTPUTS
+
+### Microsoft.HyperV.PowerShell.VMAssignedDevice
+
+## NOTES
+
+## RELATED LINKS
+
+[Get-VMAssignableDevice](get-vmassignabledevice.md)
+
+[Remove-VMAssignableDevice](remove-vmassignabledevice.md)