How to Solve Error 720 Remote Computer Could not be Established

74501 views July 9, 2016 July 26, 2016 admin 13

The corrupted Wan Miniports are causing Error 720 for some Windows users. If you are getting this error, follow the below mentioned steps to solve this issue.

Procedure 1: Reset TCP IP Protocol

Step 1: Try resetting TCP IP protocol by entering following command in Command Prompt

netsh int ip reset resetlog.txt

Step 2: Now reboot your system and reconnect Ivacy VPN. If it does not solve problem, then try the next procedure.

Procedure 2: Reset Network

Step 1: Open Control Panel, then open Add Remove Programs and go to Windows components. Uncheck networking.

Step 2: Now restart your computer.

Step 3: Repeat step 1 and check networking

Step 4: Open “Command” window by typing ‘cmd’ in “Run”. Type the following command and press “Enter”:

netsh int ip reset.log

Now enter the following command and press “Enter”:

ipconfig / flushdns

Procedure 3: Reinstall Mini Ports

Step 1: Create a Restore Point

Creating a Restore Point in Windows 7

  1. Open “Computer” Properties from “Start Menu”, then open “System”.
  2. Open “System Protection” tab from left pane. Enter administrator username and password if required.
  3. Open “System Protection” tab from top navigation bar and click “Create”.
  4. In the dialog box, type a relevant description and click “Create”.

Creating a Restore Point in Windows 8

  1. Press “Windows key” + “F” and type for ‘Create Restore’ in search box.
  2. Now click on “Files” above the search box and select “Settings” from the drop-down menu.
  3. Now click “Create a Restore Point”.
  4. Open “System Protection” tab from top navigation bar and click “Create”.
  5. In the dialog box, type a relevant description and click “Create”.

Step 2: Uninstall non-working miniports

  1. Before removing non-working mini ports, note them at a safe place. You will need this later.
  2. Now follow the below mentioned procedure:
  3. Open “Device Manager” (Windows 8: right click on bottom left side of the screen and select “Device Manager”, Windows 7: Open “Computer Properties” and click on “Device Manager”)
  4. Now click “View” and select “Show Hidden Devices”
  5. Click on “Network adapters”. Now right click on non-working Miniports and and click on “Update Driver”.
  6. Click “Browse my computer”.
  7. In the new window, select “Let me pick driver from a list”.
  8. Remove check from “Show compatible hardware”.  Select “Microsoft” from the Manufacturer list and “MAC Bridge Miniport” from “Network Adapter”. (It can be any device you have rights to uninstall)
  9. Now, switch to “Device Manager”or open it if you have closed, delete the device “MAC Bridge Miniport”.
  10. Once done removing the bad miniports, reboot.

Step 3: Reinstall Miniports

  1. Download Devcon.exe ( and extract it in C: drive.
  2. Now, Open Command prompt and open C:deveconi386 directory for 32 bit windows and C:deviconia64 directory for 64 bit windows.
  3. Execute below mentioned commands for each miniport you have reinstalled. However, neither execute any of them twice nor execute command of miniport that is already installed, because it will create duplicate miniport and will conflict with the older one that is already installed.
  4. Do not pay attention to the error “driver install failure” if it occurs. However, check command for typing mistake(s) if you get the error “inf file missing” or “missing class”

The Commands are given below, copy them and paste in command window:


devcon.exe install c:Windowsinfnetavpna.inf MS_AgileVpnMiniport


devcon.exe install c:Windowsinfnetrasa.inf MS_NdisWanIp


devcon.exe install c:Windowsinfnetrasa.inf MS_NdisWanIpv6

Network Monitor:

devcon.exe install c:Windowsinfnetrasa.inf MS_NdisWanBh


devcon.exe install c:Windowsinfnetrasa.inf MS_L2tpMiniport


devcon.exe install c:Windowsinfnetrasa.inf MS_PppoeMiniport


devcon.exe install c:Windowsinfnetrasa.inf MS_PptpMiniport

Step 4: Restart your system.

It should solve your problem. If the problem persists, submit a support ticket from client area or contact us on Live Chat.

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