I trying to map a remote file with net use, but when i add the password after username and alwaysa error status appears.only work without the password in the net use command

MY steps:
1.First create a bat file with this command:

net use Server \\Copernico\Configuration /user:Pablo med

comment ( "med = password")
comment("Copernico=computername)
comment("Configuration=filename")

2. transfer the bat file with activesync to my device.
3. run the bat file in the Windows CE framework 4.2 device

How to mapping a remote file using a bat file with the net use command,using the password ?