Share not accessible can’t connect to file share because it’s not secure obsolete SMB1 Requires SMB2

Share not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions,

You can’t connect to file share because it’s not secure. This share requires the obsolete SMB1 protocol, which is unsafe and could expose your system to attack.
Your system requires SMB2 or higher. For more info on resolving this issue, see: https://go.microsoft.com/fwlink/?linkid=852747

Great info / article:
https://zappiti.uservoice.com/knowledgebase/articles/1830778--network-smb1-sharing-protocol-on-windows-10