LISTING 2:
logon.bat

@echo off

if not "%OS%"=="Windows_NT" goto EXIT

if exist p:\*.* NET USE p: /delete
NET USE p: \\compaq575\public /persistent:no /yes

NET TIME /domain:LAB /set /yes
if ERRORLEVEL 2 goto NETTIME 
goto EXIT

:NETTIME
echo Unable to synchronize local clock. 
echo Please call the Help desk at Ext. 1234. 
pause
goto EXIT

:EXIT
exit