Net use oddity

gistfile1.txt

C:\Программы>net use \\chubby\backup password /user:chubby\backuper /persistent
:yes
System error 1219 has occurred.

Multiple connections to a server or shared resource by the same user, using more
 than one user name, are not allowed. Disconnect all previous connections to the
 server or shared resource and try again.


C:\Программы>net use chubby /delete
The network connection could not be found.

More help is available by typing NET HELPMSG 2250.


C:\Программы>net use \\chubby /delete
The network connection could not be found.

More help is available by typing NET HELPMSG 2250.


C:\Программы>net use \\chubby\backup /delete
The network connection could not be found.

More help is available by typing NET HELPMSG 2250.


C:\Программы>net use
New connections will be remembered.


Status       Local     Remote                    Network

-------------------------------------------------------------------------------
Unavailable  R:        \\192.168.20.7\backup     Microsoft Windows Network
Unavailable  S:        \\sea\r00t                Microsoft Windows Network
OK           T:        \\service\backup          Microsoft Windows Network
The command completed successfully.


C:\Программы>net use \\chubby\backup password /user:chubby\backuper /persistent
:yes
System error 1219 has occurred.

Multiple connections to a server or shared resource by the same user, using more
 than one user name, are not allowed. Disconnect all previous connections to the
 server or shared resource and try again.