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Time to join a Windows 7 client to a domain. Now that the Test Domain is up and running ( Check Previous Posts ), we can start joining clients to the domain.

Since it’s a freshly installed Windows 7 client, we dont have to bother about userprofiles and so on.. we’ll save that for later

Joining the domain is done through WMI. Just create a new Object containing the Win32_ComputerSystem WMI object and call the JoinDOmainOrWorkGroup() method.

function JoinDomain ([string]$Domain, [string]$User, [string]$Password ) {

	$DomainUser = $Domain + "\" + $User
	$OU = $null

	$ComputerSystem = gwmi Win32_ComputerSystem

	$ComputerSystem.JoinDomainOrWorkGroup(
		$Domain,
		$Password,
		$DomainUser,
		$OU,
		3
	)
}

Here’s an example on running the function.

PS > JoinDomain PowerShell.nu migaccount Password1

And voila! the client shuts down and on Startup, It’ll have joined the new domain.