>Is it possible to disconnect a mapped network drive of
>client machine from another client by a programme?

Yes, from the windows subdirectory on 95, winnt (if that's where NT resides) on NT you would probably need to find out what drives are mapped first. run net use >c:\netuse.txt. This will send output to a text file on your c: drive called netuse.txt. You can parse that file and find out what drives are mapped then disconnect with net use x: /delete. For more syntax on the net use command go to a dos prompt and type net /? or net use /?.

John Harvey