PowerShell Script to Join Domain and Rename Computer?

I've used my judicious imitation skills to get a script together (looking around online) for joining a laptop to the domain, and also renaming it, AT THE SAME TIME.
Meaning, 1 reboot would be required, instead of naming computer and rebooting, then joining domain and rebooting.

Windows 7 Embedded thin client with Powershell 2.0.

I think it's working, as I'm able to logon to the system with my domain credentials, I'm just not sure if this is a good way to do it.

Have a look at the code, let me know what your expert opinions are, and if you suspect any repercussions that could come about later on.

It's joining the system to the domain, then re-naming the system based on our naming convention with the asset tag we put in the bios.

Then we reboot once and expect it to work fine from then on...

$comp=gwmi win32_computersystem
#Prompts you to enter in domain credentials to add
$cred=get-credential
#WMI Query to set new computer name
gwmi Win32_SystemEnclosure | % { $newname = "ThinClient-" + $_.SMBIOSAssetTag }
$domain="ourdomain.com"
#Join The Domain
$comp.JoinDomainOrWorkGroup($domain,$cred.getnetworkcredential().password,$cred.username,$null,3)
#Rename domain-joined Computer
$comp.rename($newname,$cred.getnetworkcredential()).password,$cred.username)
Restart-Computer

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More on"JoinDomainOrWorkgroup method of the Win32_ComputerSystem class": http://msdn.microsoft.com/en-us/library/aa392154(v=vs.85).aspx
garryshapeAsked:
Who is Participating?
 
N-WCommented:
Your script looks fine to me.

The only issue you may have is if someone accidentally enters a duplicate asset tag into the BIOS, the script will overwrite the existing computer in AD and cause issues for that computer.

Other than that, there's no reason why you can't use this script to achieve your goals.
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garryshapeAuthor Commented:
Ok cool thanks.

Interesting consideration on the duplicate computer names.

Thinking maybe I can add some type of check in the script to make sure it doesn't exist already
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Justin YeungSenior Systems EngineerCommented:
add
$checkname = get-adcomputer $newname -erroraction silentlycontinue
if ($checkname -eq $null)
{
your script to join domain
}
else
{
write-host "The name is alreay in AD, use othername"
}
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NetoMeter ScreencastsCommented:
Just another idea - I am using the following two lines in PS:
Add-Computer -DomainName netometer.com -force
Rename-Computer -NewName FS-12R2 -Restart

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garryshapeAuthor Commented:
Hi NetoMeter, thanks for the follow-up. Should that command help keep the computer on the domain? Or would it remove the trust?
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NetoMeter ScreencastsCommented:
If the machine is already a member of the domain and you suspect that there is a problem with the machine's AD Account, you can re-join the domain by specifying just the short, NetBIOS name (ex. netometer).
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garryshapeAuthor Commented:
Thanks gentlemen for easing my uncertainty on this matter and for the additional input.
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