Can not access samba shares on current - samba 4.11

I did have samba shares working as expected until recent updates to Samba 4.11. I have two servers running 4.11, one on a Pi3 and one on a Acer laptop.

If I browse the network, I can see the servers. If I try to open either one, from Thunar, Dolphin or Konqueror I get a message;

Failed to retreive share list from server. Connection timed out.

Here is the global section form the Pi3.

Quote:

Load smb config files from /etc/samba/smb.conf Loaded services file OK. Server role: ROLE_STANDALONE Press enter to see a dump of your service definitions # Global parameters [global] dns proxy = No domain master = Yes ldap ssl = no log file = /var/log/samba/%m.log map to guest = Bad User max log size = 50 netbios name = RASPPI-CURRENT os level = 65 preferred master = Yes printcap cache time = 60 printcap name = cups security = USER server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbindd, ntp_signd, kcc, dnsupdate, dns, web server string = Samba Server %v wins support = Yes workgroup = CLIFFSHOME idmap config * : backend = tdb printer name = HP_LaserJet_M203-M206

The main reason I run this is to keep the HP printer off my main system, since I have current on it, 14.2 and 14.1 on it. I boot it a lot, that was causing too much disruption for other users in the house. The Pi3 was the solution.

Two questions.

1. Suggestions on what might be wrong on the 4.11 samba servers? How to debug?

2. There are Win 7 systems wanting to print to the HP printer. Is there a way to set that up without Samba? If yes, any How to's you would recommend.