New installation of 'Windows 10 Operating Systems Version 1909' tried to:
and encountered Windows Network Error Code: 0x80004005 Unspecified error for "Windows cannot access \\K1000-or-IP-Address\client"
You can refer to another KB Article # 267274 for more details regarding Microsoft Guest access in SMB2 have been disabled by default in Windows 10.
Use the Group Policy Editor (gpedit.msc). Go to the section:
Computer Configuration | Administrative templates | Network | Lanman Workstation | Enable insecure guest logons
This policy settings will determine whether a SMB client which is Windows 10 to allow unsafe guest logon to the K1000 SMA SAMBA Share.
