Ask Your Question

Revision history [back]

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