# this powershell snipped will retrieve the Distinguished Name of the user in AD
# with the userprincipalname value as set in the script

# this runs against the default AD server (GC)
$searchObj= New-Object directoryServices.DirectorySearcher([adsi]('GC://'+([adsi]'LDAP://RootDse').RootDomainNamingContext))

$searchObj.filter="(&(objectclass=user)(userprincipalname=ExampleUser@ExampleDomain.com))"

$users = $searchObj.Findall()

$user = $users[0]

$user.Properties.distinguishedname

# output all the AD properties
$user.Properties | format-list