echo The current directory is %cd%.
echo If this is incorrect, press Ctrl+C now.
pause
for /f "delims=;" %%i in ('dir /ad/b') do cscript 
  ModifyUsers.vbs WinNT://<Domain> name:"%%i" homeDirDrive:H 
  homeDirectory:"\\<server>\<share>\<optionaldirs>\%%i" 
  >>modlog.log && echo %%i changed successfully