teamviewer 11 protocol negotiation failed

What causes the TeamViewer Protocol Negotiation Failed Error Message? Nonetheless, we will be showing you how to solve the issue in this article. You are good to go, and you will not face protocol negotiation failed error again.When the connection is being interrupted by a background process, TeamViewer is not able to establish a connection with the targeted user successfully due to which it throws the error message.

That’s all if you take care of these things. Always scan your pc with antivirus software as some users reported that a malware caused this error in their PCs.Īlso, disable your Windows Firewall as it also blocks connections requests. These are the best available solutions for Protocol Negotiation Failed error. This dropdown menu will have an option named All updates, select it. You can also update the app from app settings, and for this, you need to enable the auto-update.ġ) To enable the Auto-update to open the full version of your TeamViewer all.Ģ) after that, go to Extras -> Options and click on advanced.ģ) Now, click on the dropdown menu option that is located on the right side of Install New Versions Automatically option. exe file to start the installation and follow the instructions on the screen to install the updated software. You need to update the TeamViewer app to the latest version on both the PC.ġ) To update the TeamViewer, go to the official site of TeamViewer and download the latest version from there.Ģ) After downloading double click on the. If you are facing the TeamViewer protocol negotiation failed error, then check the version of your Software as well as the version of the second user.īoth users must have the same version to connect. If this doesn’t solve your issue, then follow the second method. We suggest that you always turn on your antivirus once your work is done.

Teamviewer 11 protocol negotiation failed