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Win7 system LAN sharing setting solution

The network function of Win7 system has been further enhanced than XP, and it is relatively clear to use. However, due to a lot of surface optimization work, the underlying network settings become very unsuitable for people who are used to XP systems. Among them, LAN grouping is a big problem. By default, after installing the system, not only the Win7
systems in the same group cannot share access to each other, but the most troublesome problem is that the XP system computers in the group are more difficult to access each other. In response to this problem, some information collected from the network, combined with their own situation in the debugging process, through the following steps can basically solve the problem of XP and Win7 LAN sharing settings. If you can't, please forgive me.
One: Necessary point
1, need to be an administrator's account
2, all computers connected to the network must be in the same IP segment, such as 192.168.1.X (2≤ X≤ 255 )
3, all computers connected to the network must be in the same working group, such as in the WORKGROUP group
4, all computers connected to the network must open the guest account, the default account name is: guest.
5, close any third-party firewall software, or make some related settings (very important). Windows comes with a firewall. If you don't turn it off, you need to make some settings. Open Windows Firewall---Exceptions---Check File and Printer Sharing---OK---Save. In the XP system, in the General tab, remove the check mark in front of the exception.
6, all operating systems of the computer must have the correct permissions settings (this is the focus)
7, XP, refers to the Windows XP Professional version. Some of the methods described above do not apply to Windows XP Home Edition.
8, Win7, refers to Windows 7. Different versions of Win7 may have some differences. If you are using the Home Basic version, don't look down because Home Basic does not provide file sharing. .
Two: Services that must be turned on
Right click on my computer or computer — Manage----Services and applications, open the service or open it with WIN+R---Enter services.msc, Open the service settings
Select [Auto Start] for the [Startup Type] of the following services, and make sure that [Service Status] is [Started]
Server
Workstation
Computer Browser
DHCP Client< Br>Remote Procedure Call
Remote Procedure Call (RPC) Locator
DNS Client
Function Discovery Resource Publication
UPnP Device Host
SSDP Discovery
TIP/IP NetBIOSHelper //This is very important If other conditions are met, there is no such thing.