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April 29, 2014

Powershell – Automating Computer naming duering OSD

Filed under: Tips — donrsh @ 11:53 am

1) Save the following script as OSDComputerName.ps1 on a networkshare.

I use Hyper-v in my labb and Hyper-v virtual machin gives you over 30 digits of serialnumber and here in this script i want only the four first of them. This is because NetBios computer names can handle a maximum lenght of 15 characters.

$SerialNumber = (Get-WmiObject -Class Win32_BIOS | Select-Object SerialNumber).SerialNumber
$ShortSerialNumber = $SerialNumber.Substring(0,4)
$OSDComputerName = “LABB-” + $ShortSerialNumber
$TSEnv = New-Object -COMObject Microsoft.SMS.TSEnvironment
$TSEnv.Value(“OSDComputerName”) = “$OSDComputerName”

2) Create a package in sccm but do not create a program. Distribute the package to DP.

3) Edit your TS and create a “Group” before “Apply Windows/Nework Settings” and name it OSDComputerName.

4) Add a “Run Command Line” with the name “Set PowerShell Execution Policy” and paste the following:

powershell.exe -noprofile -command "Set-ExecutionPolicy Bypass LocalMachine" -force

5) Add a “Run command Line” with the name “OSDComputerName.ps1” and paste the following:

powershell.exe -noprofile -file OSDcomputername.ps1

In “Package” section browse for the script we created and saved in a networkshare.

6) Add a “Run command Line” with the name “Revert Powershell Execution Policy” and paste the following:

powershell.exe -noprofile -command "Set-ExecutionPolicy RemoteSigned LocalMachine" -force

Save the TS and test in your test environament.

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