Get Username out of SID:
#include <Security.au3>
Local $vSID = "S-1-5-21-4148424496-1016001814-1247282737-109342"
$aUserAccount = _Security__LookupAccountSid ($vSID)
If IsArray($aUserAccount) then
MsgBox(0,"User","AccountName: " & @TAB & $aUserAccount[0] _
& @CRLF & "DomainName: " & @TAB & $aUserAccount[1] _
& @CRLF & "SID type: " & @TAB & $aUserAccount[2] _
& @CRLF & "@error: " & @TAB & @error)
Else
MsgBox(0,"User","$aUserAccount enthält kein Array… " _
& @CRLF & "@error: " & @TAB & @error)
EndIf
Exit