Windows Server 2016 and Windows 10
If you're unable to connect to CIFS/SMB Network Shares & Shared Folders in Windows 10 or Server 2016 it may be due to Microsoft removing support for insecure "guest".
The following URL provides useful information on how to restore this option
Windows Server 2019
The above may not work so please use the alternative method https://aubreykloppers.wordpress.com/2019/02/07/windows-server-2019/
