Windows + R
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters
New DWORD (32 Bit)
Name = AllowInsecureGuestAuth
Value = 1
Windows + R
Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters
New DWORD (32 Bit)
Name = AllowInsecureGuestAuth
Value = 1