 | 1 | initial version |
the answer
https://www.ibm.com/support/pages/node/1116399
https://docs.microsoft.com/en-US/troubleshoot/windows-server/networking/guest-access-in-smb2-is-disabled-by-default
shortly, set to 1 this dword parameter HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters AllowInsecureGuestAuth
