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Elevate current script to run at admin level

Sometime it is nice to be able to elevate a script to admin level without manually doing so.

The script below tries to elevate itself to be run as administrator and the user running it must be a member of the Administrator role on the machine running the script.

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# Check and run the script as administrator if possible
param([switch]$Elevated)
function Test-Admin {
  $currentUser = New-Object Security.Principal.WindowsPrincipal $([Security.Principal.WindowsIdentity]::GetCurrent())
  $currentUser.IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
}

if ((Test-Admin) -eq $false) {
    if ($elevated)
    {
        # tried to elevate, did not work, aborting
        Write-Output "Cannot run with elevated rights, exiting..."
    }
    else {
        Start-Process powershell.exe -Verb RunAs -ArgumentList ('-noprofile -file "{0}" -elevated' -f ($myinvocation.MyCommand.Definition))
}
    exit
}

# This line will only be executed if elevation is successful, and it's here the rest of your script starts...
Write-Output "Successfully elevated script and is now running with full privileges..."