TeamViewer: Authentication rejected - you can do that

In order to use TeamViewer, you need the correct ID. If you get an "Authentication denied" error, there appears to be a problem with this identifier. You can find out what you can do in this case in this practical tip.

TeamViewer: Authentication rejected - you can do that

If you get an "Authentication denied" error message, try the following:

• First of all, make sure that you have entered the correct ID and the corresponding password correctly. You receive both data from your partner with whom you would like to connect.
• Note that you both need to run the program for a connection to be established.
• Also make sure that both computers are connected to the Internet.

Authentication at TeamViewer rejected: further solutions

If you still receive the error message, we have a few ideas here why this could be:

• If you still get the error message, the TeamViewer servers may not be available at the moment. Under Allestault.de you can see whether there are currently problems with TeamViewer.
• In some cases it can also help if you deactivate the UDP protocol in the "Settings" of TeamViewer under "Advanced". Set this on both computers.
• TeamViewer may also be blocked by your firewall or the antivirus program. Therefore, switch off both services as a test. If this solves the problem, we will show you how to release the program in the firewall and in your antivirus.

In the next practical tip, read how to fix the TeamViewer error "Watiforconnectfailed".