smbclient -U WIN10Username -L //CLIENT/
protocol negotiation failed: NT_STATUS_CONNECTION_RESET

smbclient -L //CLIENT/
protocol negotiation failed: NT_STATUS_CONNECTION_RESET

smbclient -U WIN10Username -L //Client/

smbclient -m SMB3 -U WIN10Username -L //Client/

mount -t cifs -o vers=3.0,username=WIN10Username,password=WIN10Password //CLIENTIP/C$ MOUNTPOINT

//CLIENTIP/C$ /MOUNTPOINT    cifs    vers=3.0,username=WIN10Username,password=WIN10Password 0 0

mount //CLIENTIP/SHARENAME is write-protected, mounting read-only
mount: cannot mount //CLIENTIP/SHARENAME read-only