There are many passable places for Windows XP's online neighbors: Slow access, no access to other hosts ... In fact, these problems through simple settings can be well resolved.
Make sure you can ping each other before that.
1. Open Guest account.
2. Allow guest users to access this computer: Open the Group Policy Editor, select "Computer Configuration →windows settings → security settings → local policy → user Rights Assignment", and delete the "GUEST" account in the "Deny access to this machine from the network" policy.
3. Change network access mode: Open the Group Policy Editor, select "Computer Configuration →windows settings → security settings → local policy → security options", double-click the "Network access: Sharing and security mode for local accounts" policy, change "Guest only-local users authenticate to guest" to " Classic: Local users authenticate as themselves.
4. Null password limit: Disable "account: Local account with blank password only allow console login" policy in System "security options".
5. Network neighbors do not see the computer: Open "Control Panel → performance and maintenance → management tools → services", the launch of the "Computer Browser" service.
6. Add permissions to share files options: Turn on the "My Computer → tools → folder properties → view → advanced settings", the "Simple File Sharing (recommended)" option before the cancellation, if there are "Mickey Mouse" items will also be canceled.
7. Network neighbors do not respond or react slowly, turn off the WinXP Scheduled task Service (task Scheduler) to open the Task Scheduler Properties dialog box in Control Panel/Administrative Tools/services, stop the service, and then set the startup type to Manual.
Turn off the Web folders and printers that are automatically searched, and in My Network Places/File/Folder Options, click the last one to turn off the Web folders and printers that are automatically searched.