This security setting determines if the Guest account is enabled or disabled.
If the Guest account is disabled and the security option Network Access: Sharing and Security Model for local accounts is set to Guest Only, network logons, such as those performed by the Microsoft Network Server (SMB Service), will fail.
Windows Settings/
Security Settings/
Local Computer Policy -> Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options
After changing group policy options, you need to update group policy. If you do not update group policy then settings will not effect. To update it just simply type below command and also sample image is shown.
gpupdate /force
In about command we used "/force" option, this will help up to update policy options forcefully.
