This issue may occur if either of the following conditions are true: Multi-link negotiation is turned on for the single-link connection. The dial-up connection security configuration is incorrectly configured to use the Require secured password setting.
Method 2: Select the Allow Unsecured Password Option. The Error 734 error message also pops up in Windows XP when unsecured passwords aren’t enabled.
Method 4: Fix Registry Conflicts. Error 743 can also be due to registry conflicts.
Method 5: Switch Off Windows Defender Firewall.
How do I fix Error 734 The PPP link control protocol was terminated in Windows 10?
Right-click the appropriate dial-up connection, Network, and click Properties. Click the All Networks tab, then click Settings. Clear the Negotiate Multi-Link for Single Link check box (if enabled). Click OK > OK.
How do I fix Error 734?
How to fix vpn error 734?
What does the error 734 mean on PPP?
Error 734: “It appears that the PPP connection protocol check has completed” is a perfectly common error. Appears when dial-up devices are connected or when a 3G modem is connected. PPP offers this point-to-point protocol.
Why is there an error 734 on my VPN?
The total number of errors points to error 734: PPP site link validation was aborted by protocol. Therefore, it is not possible to establish a permanent VPN connection. This error can often be caused by a misconfigured PPP dial-up connection. Below are some Windows file sizes that can fix error 734 for a large percentage of users.
How to fix error 734 the PPP link control protocol was terminated in Windows7?
How can we all fix VPN error 734?
What to do when PPP error 734 pops up?
Select the Options tab. Click the PPP button to open the PPP settings window. In the PPP Settings window, clear the Negotiate multilink connections individually for link connections check box. Then immediately press the OK buttons in Windows. The Error 734 error message also appears in Windows XP if unsaved bookmarks are not enabled.
How to fix error 734 in PPP link control protocol?
You can easily fix this bad choice, 734 PPP connection was blocked. Just follow the procedure below. Skip to top. You will see the next section. Go to Control Panel. You will see the screen below. Click your way through the network and the Internet. You will see another screen showing it below the screenshot.

Vijay is a tech writer with years of experience in the Windows world. He’s seen it all – from simple problems to catastrophic system failures. He loves nothing more than helping people fix their PCs, and he’s always happy to share his wisdom with anyone who needs it.
When Vijay isn’t fixing Windows problems, he likes to spend time with his wife and two young children. He also enjoys reading, playing cricket, and watching Bollywood movies.