There is no "network" folder, how to return it?

Question

Samba

I started the car for the second time in the domain according to the instructions . The machine started up in the domain, but in nautilus there is no network overview folder,

before entering the domain it was and you could see all the hosts that are on the grid. Also, if you use "Connect to the server" and enter the host name or its ip in the field, then the connection button is not active.