A few PCs that have Windows 10 1709 installed (instead of upgraded from 1703) are having trouble connecting to network shares running on Samba (Ubuntu 17.10). Entries in event logs indicate that the cause seems to be that Windows 10 1709 disabled guest access.
Originally, the share itself was protected but guests can browse what shares are available by connecting to \\samba.company.com. I added
restrict anonymous = 2 to smb.conf and now Windows Explorer prompts for sign in when accessing \\samba.company.com. However, those Windows 10 1709 PCs are still having trouble connecting to the Samba shares.
Most of the articles I found talk about enabling guest access on Windows 10. Is it possible to disable guest access on Samba instead?