@echo off
if 8332==%1 goto logon_ok

NTNAME %USERNAME% >%TEMP%\OTHERPC.TXT
if not errorlevel 1 goto logon_ok

for /f %%f in ('TYPE %TEMP%\OTHERPC.TXT') do @echo Already logged onto %%f
%0\..\logout.exe
goto end

:logon_ok
net use t: \\madisona1\ctm$ /persistent:no
:end