C:\Users\Zune>net /?
The syntax of this command is:

NET
    [ ACCOUNTS | COMPUTER | CONFIG | CONTINUE | FILE | GROUP | HELP |
      HELPMSG | LOCALGROUP | PAUSE | PRINT | SESSION | SHARE | START |
      STATISTICS | STOP | TIME | USE | USER | VIEW ]

C:\Users\Zune>net use J: \\vboxsvr\music0
System error 67 has occurred.

The network name cannot be found.