Functions/Test-IsAdministrator.ps1

Function Test-IsAdministrator{
<#
    .SYNOPSIS
    Tests if the user is an administrator
 
    .Description
    Returns true if a user is an administrator, false if the user is not an administrator
 
    .Example
    Test-IsAdministrator
 
    .Notes
    NAME: Test-IsAdministrator
    AUTHOR: Ed Wilson
    LASTEDIT: 5/20/2009
    KEYWORDS:
 
    .Link
    Http://www.ScriptingGuys.com
 
    #Requires -Version 2.0
#>

param()
$currentUser = [Security.Principal.WindowsIdentity]::GetCurrent()
(New-Object Security.Principal.WindowsPrincipal $currentUser).IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
}