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Fix: VPN Error 734 PPP Link Control Protocol Terminated

See the possible causes of the VPN Error 734 and try our recommendations to resolve it

4 min. read

Updated onMarch 27, 2024

updated onMarch 27, 2024

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Key notes

Error 734 occurs for some users who try to utilize their VPNs with PPP dial-up connections. The full error message states,Error 734: The PPP link control protocol was terminated.Consequently, no VPN connection can be established.

That error can often be due to a misconfigured PPP dial-up connection. Below are a few Windows resolutions that might fix error 734 for most users.

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How can I fix VPN error 734?

How can I fix VPN error 734?

This is the official Microsoft resolution for Error 734. Error 734 can often be due to theNegotiate multi-link for single link connectionssetting.

Thus, turning multi-link off can often fix this issue. Follow the guidelines below to disable multi-link for single link connections.

2. Use an alternative VPN

Speaking about Windows 10 compatible VPN clients, you might want to consider an upgrade over your current tool.

ExpressVPNis optimized for Windows 10 running devices and can handle PPP dial-up connections easily.

Beginning with the speed, Express VPN offers an impressive 83 Mbps down and 52 Mbp up on a 100 Mbps connection.

The privacy features include IP hiding, kill-switch, Netflix compatibility, the ability to download torrents over the P2P network, and servers in over 160 locations.

The company is located in the British Virgin Islands making it a safe place. It supports a highly secure AES-256 + OpenVPN protocol along with protocols like SSTP and L2Tp etc.

ExpressVPN

3. Select the Allow Unsecured Password option

The Error 734 error message also pops up when unsecured passwords aren’t enabled. Thus, selecting theAllow unsecured passwordoption is another potential resolution (for XP users). This is how XP users can select that option.

4. Adjust the Protocol Settings for (PPP) dial-up connection

5. Switch off Windows Defender Firewall

So, error 734 is more of a dial-up connection error than a VPN issue. These solutions might help you fix it so that you can utilize your VPN with PPTP.

Let us know how it worked for you in the comments section below.

More about the topics:Fix VPN,windows 10 fix

Matthew Adams

Windows Hardware Expert

Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things surrounding it.

He is passionate about the tech world, always staying up-to-date with the latest and greatest. With an analytical view, he likes problem-solving, focusing on errors and their causes.

In his free time, he likes to read and write about history and tries to always develop new skills.

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Matthew Adams

Windows Hardware Expert

He is passionate about everything surrounding Microsoft’s OS, focusing on troubleshooting guides & tips for everyday problems.