A batch file with some specific parameters will be required if you want to execute an application located on a mapped drive.
Here is a sample of the contents of the .bat file
net use P: \\royaltemp\disk2 /persistent:yes /USER:domain\user password
P:\oe101b\bin\prowin32.exe -pf p:\sl\smyixrun.pf -basekey INI -ininame p:\sl\smyix.ini -p
p:\sl32\std10\menu\smyix.p -Wa -wpp