What to do when you are prompted for error 721 when connecting to a VPN computer

Source: Internet
Author: User


1. First, we also press the Win7 flagship computer keyboard Win+r shortcut to open the computer's running window, in the Open Run window, we enter regedit and click Enter, so you can open the Win7 Flagship Computer Registry Editor window.

2. In the Open Registry Editor window, click to expand Hkey_local_machine/system/currentcontrolset/control/class/{in the left menu. 4d36e972-e325-11ce-bfc1-08002be10318}/

3. On the Edit menu of the open window, we point to New, and then click DWORD Value, and after that, we type validateaddress, and then press Enter. The default setting for this value is "1", and if it is set to 1, it is open, and if we set it to 0, it means close.

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