Windows 7 Error 720 Fix

Microsoft Windows 7 Error 720 appears on screen while establishing a VPN (Virtual Private Network) connection to RAS (Remote Access Service). This error occurs when there is problem with TCP/IP protocol or when registry entries related to network settings are corrupted.To fix Windows 7 error 720 below are outlined few steps:Registry entries related to network settings are corrupted:Network related settings are stored in the registry database of computer and are accessed when VPN connection is established. The error 720 in Windows 7 occurs when registry entries are corrupted or invalid. Follow these instructions to fix registry related problems:1. Open your web browser.
2. Download a reliable registry cleaner and PC optimizer software on your PC.
3. Scan and fix registry related issues with the help of registry cleaner.
4. Done.Protocol between system and RAS (remote access service) server is uncommon:Another cause behind error 720 on Windows 7 can be uncommon protocol between your computer and RAS server. In this situation, follow these simple instructions.1. Click on the Start button on the task-bar.
2. Go to Control Panel.
3. In control panel window click on Network and Internet and then select Network and Sharing Center.
4. Click on the active connection.
5. Now click on Properties button in the new dialog box.
6. Now make sure that you have the protocol that RAS server is running.
7. Click on OK and then Close.If there is problem with the protocol then you have to add required protocol. Follow these steps:1. Go to Control Panel.
2. Network and Internet || Network and Sharing Center.
3. Click on your active connection || Properties || Networking || Install
4. Now select Protocol and click on Add button.
5. Select required Protocol.
6. OK and closeTo resolve Windows 7 error 720, you may need to reinstall TCP/IP protocol. Follow these steps:1. Go to Control Panel || Network and Internet || Network and Sharing Center || Active connection (e-g; local area connection 1).
2. Now click on Properties || Networking tab.
3. Select Internet protocol (TCP/IP) || Uninstall button.
4. Follow simple on screen instructions.Now remove WAN (Wide Area Network ) mini-port IP device:1. Right click on My Computer and select Properties || Advanced System Settings.
2. Click on Hardware tab.
3. Now click on Device Manager.
4. Click on View || Show Hidden Devices. Expand || Network Adapters.
5. If there is any WAN mini-port IP device then continue with these instructions.
6. Open registry console (Window Key + R) and navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}
7.Click on each subkey under this key and view Data column of DriverDesc value to determine which of sub keys corresponds to WAM Miniport (IP) e-g; 005 sub key.
8. Right click on the sub key (e-g 005) and Delete it.
9. Click on Yes to Confirm changes.
10. Close registry editor.
11. Right click the device named WAN Miniport (IP) and select Unistall.After removing WAN now reinstall TCP/IP protocol:1. Go to Control Panel || Network and Internet || Network and Sharing Center || Active connection (e-g; local area connection 1).
2. Now click on Properties || Networking tab.
3. Select Internet protocol (TCP/IP) || Install button.
4. Select Protocol || Add.
5. Select the protocol that you need to install.

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Windows7 Error 720

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