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Unregister-NetworkAdapterDHCPAddress

Synopsis

Releases a DHCP address held by a network adapter on a local or remote computer.

Syntax

  • Unregister-NetworkAdapterDHCPAddress [-Name] [-ComputerName] [-Credential]
  • Unregister-NetworkAdapterDHCPAddress [-MACAddress] [-ComputerName] [-Credential]

Description

The Unregister-NetworkAdapterDHCPAddress cmdlet is used to release a DHCP address held by a network adapter on a local or remote computer. Adapters can be identified by name or MAC address.

Parameters

  • Name The name of the network adapter to configure. This parameter cannot be used when the MACAddress parameter has been specified.
  • MACAddress The MAC address of the network adapter to configure. This parameter cannot be used when the name parameter has been specified.
  • ComputerName The computer against which to run the cmdlet. By default this cmdlet will be populated with the name of the local computer.
  • Credential The credentials under which to run the cmdlet. By default this cmdlet will run as the current user. Using this parameter and the Get-PSCredential cmdlet you can specify an alternate set of credentials under which to execute this command.

Inputs

Unregister-NetworkAdapterDHCPAddress accepts the output of Get-NetworkAdapter as an input object. The Name, MACAddress and ComputerName parameters each accept pipeline input by property name.

Outputs

Unregister-NetworkAdapterDHCPAddress makes changes directly to Windows and does not output any Powershell objects.

Notes

The cmdlet requires that the Remote Registry and RPC services are started on the computer it is trying to access and that DNS services are available to resolve target host names.

Example 1

This command will release the DHCP address on the adapter Local Area Connection on the local computer:

C:\PS> Unregister-NetworkAdapterDHCPAddress "Local Area Connection"

Example 2

This command will release the DHCP address on the adapter Local Area Connection on the remote computer PC01:

C:\PS> Unregister-NetworkAdapterDHCPAddress "Local Area Connection" -Computer PC01

Example 3

Unregister-NetworkAdapterDHCPAddress can be used in conjunction with the Get-NetworkAdapter cmdlet. This command will release all DHCP addresses held by adapters on the remote computer PC01:

C:\PS> Get-NetworkAdapter -Computer PC01 | Unregister-NetworkAdapterDHCPAddress