Error code: 0x800704cf cannot access the network location (Windows 7 cannot connect to SMB)

SMB has been used well. One day after it was added, it was prompted on win7 that the error code: 0x800704cf could not access the network location, which is mostly due to the following reasons.

If your Windows 7 server suddenly displays this situation one day: Your Windows 7 server can view its shared folder, but it cannot be opened. When it is opened, the following error code is displayed: 0x800704cf cannot access the network location "and other prompts, while other machines in your working group can normally open and access this shared folder, this is mainly caused by a known problem of win7 (please visit the http://support.microsoft.com/kb/980486/ for details), solution to open "Device Manager", click "network adapter ", click "show hidden devices" in the menu and you will find many
(About 200) Microsoft 6to4 adapter # (number), as shown in:

Delete all. However, manual deletion is a daunting task. You can use Microsoft's command line tool devcon and run "devcon remove * 6to4mp *" on the command line (without parentheses) yes. It may take about one hour to delete all data. After deletion, restart to restore the system to normal. For this command line download tool, you can click the http://www.ks-apt.com/upload/file/devcon.rar directly
Download the package directly. decompress the package to a devcon.exe file. Double-click the file and decompress it to a directory, for example, "E: \ myls". There are two sub-directories, i386 and IA64, select a file based on your system. For more information about how to enter the command line, click Start, Enter cmd, and press Enter. Then, run CD to enter the preceding directory.

 

-- Uninstall the drivers of all NICs, and then reinstall