In the past 2000, the online neighbor can use it normally as long as the guest account is enabled, and XP is not, and the "Setting Home or Small Office Network Wizard must run once, the network is normal.
Why run the "Network Installation Wizard" Windows XP shared resources can be accessed by other computers in the working group? In fact, running "Network Installation Wizard" is just a surface phenomenon. It is important to have modified two strategies in "Local Security Settings" after running it: 1. Enable "Account: Customer Account Status" under Security Settings → Local Policies → Security Options), this setting is actually enabled for guest accounts; 2. Deleting a guest account in the "Rejecting this Computer" policy in this computer, so other computers can access shared resources.
3. There is also a comparison of important control panels → Administrative Tools → Local Security Policy → Local Policy → Security Options, "Guests only" NT-local users "network access: local account sharing and Safety mode ", all network users are treated as guest, and management sharing cannot be used.