Windows 2019 Server Can not access to a samba share

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Windows Server 2019 comes with a secure default config, in this case one Windows 2019 needs access to a samba public share and gives error 0x80004005 when we try to reach the shared folder. Solution: Open Regedit navigate to HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters\ and set value to 1 in key AllowInsecureGuestAuth