How to stop the SMC service through command line (Smc.exe -stop -p xxxxxxxx)

How to stop the SMC service through command line?

tried directed to below paths.

32bit: 

C:\Program Files\Symantec\Symantec Endpoint Protection\12.1.3001.165.105\Bin

64bit:
C:\Program Files (x86)\Symantec\Symantec Endpoint Protection\12.1.3001.165.105\Bin64

and

Smc.exe -stop -p xxxxxxxx

but not working. smc.exe -stop is working; but with password it is not workig helpme out.