You could right click on the mapped drive and choose “rename”.
U can use GPO to solve ur problems !
Click Start > regedit
and locate this folder in the Windows Registry:
HKEY_CURRENT_USER\ Software \Microsoft \ Windows\ CurrentVersion \ Policies\ Explorer
Now right click on the right pane and from the menu select New – DWORD (32 bit) Value & name as NoNetConnectDisconnect. Double click the key and give it the value 1 to hide, and restart computer for the change to take effect.