Teamviewer Authentication Rejected - Fixed with 3 Proven Solutions

How can you stop seeing the message "TeamViewer authentication rejected"? You've come to the right place if you're experiencing a similar problem. This post offers three tested solutions to this issue. Continue reading to find out more.


By Hester / Updated on November 25, 2022

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The issue: TeamViewer authentication rejected


Hello everyone. After controlling my remote PC for more than a month, the connection abruptly broke while I was using it. When I tried to connect again, I received the message "Authentication Rejected." This PC has a simple, password-free connection to my account. Is there a solution? Thank you very much!”

- Question from TeamViewer Forum

TeamViewer Authentication Rejected

How to fix TeamViewer authentication rejected [3 solutions]

Many users utilize TeamViewer to control PC remotely from anywhere and transfer files from remote computer to local computer. However, as the title of this topic says, you may get the same error “TeamViewer authentication rejected”. This is usually caused by some unforeseen conflict with the TeamViewer service. In this part, we will help you to fix this problem, just read on.

Solution 1. Restart TeamViewer service

When talk about how to fix TeamViewer authentication rejected, the first solution is to restart the TeamViewer service and try again.

Step 1. Press Win+R, type in “services.msc”, and hit OK.

Services msc

Step 2. Scroll down to find TeamViewer, right-click it and select Restart.

Restart Teamviewer

Now you can open TeamViewer and try to connect to your remote PC, please make sure you enter the right password or the connection could be rejected again.

Solution 2. Restart the remote PC

When TeamViewer authentication rejected before password, the recommended action is to reboot the remote PC. Ask someone to reboot the computer you want to connect to. If your computers are in the same local area network, you can easily reboot the remote device using CMD

Note: On the remote computer, make sure you set up TeamViewer to start with Windows in advance, or TeamViewer is not available on the remote side after the reboot.

On TeamViewer main interface, go to Options > General > tick Start TeamViewer with Windows.

Start TeamViewer with Windows

Step 1. On the local computer, press Win + R, enter “cmd” and hit OK.

Run Box CMD

Step 2. Type in “shutdown /i” and press Enter to evoke the Remote Shutdown Dialog.

Restart Computer

Step 3. Click Add and type in the computer name or IP addressof the device you want to restart, then select OK.

Computer Names

Step 4. Select Restart under What do you want these computers to do, and click OK to restart the device.

Restart Computer CMD

Solution 3. Switch to TeamViewer alternative without error

If you still do not work out “TeamViewer authentication rejected”, we advise you use a reliable TeamViewer alternative like AnyViewer to permanently avoid such problems.

Benefits of AnyViewer:
Reliable. Developed by a strong technical team, it offers you a fast and stable connection without any interruption.
Free. It has free version without time limitations, which is completely free of charge.
Flexible. It supports flexible ways to remote access and transfer files.
Multi-function. It allows share screen, access multiple computers simultaneously, control multiple monitors, etc.
User-friendly. It provides several considerate features in a remote session, you can chat, change image quality, etc.
Compatible. You can also remote control Windows computer from Android/iOS devices.

Download and install AnyViewer on your devices.

Download Freeware Win 11/10/8.1/8/7
Secure Download

Step 1. On the remote PC, go to Log in from the left pane, and click Sign up.

Log in AnyViewer

Step 2. Fill in the following information and click Sign up.

Sign Up for nAyViewer

Step 3. On the local PC, open AnyViewer and log in to the same account. Then you can see your assigned devices.

Free Editions

Tips: You can upgrade to Professional or Enterprise plan to assign more devices at once, which is more convenient for you to connect to these devices with one click.

Step 4. Go to Device, select the target PC you want to connect to, and click One-click control to perform unattended remote access.

You can also tick Connect in privacy mode to better protect your data by blackening the remote computer and disabling the remote keyboard & mouse click when in remote sessions.

Connect to My Devices


Now you may grasp how to fix the error “TeamViewer authentication rejected”. We provided you with three tested solutions in this post. According to user feedback, this happens from time to time, and a simple reboot of the TeamViewer service or the remote computer can solve this problem.

If both reboot of TeamViewer and remote PC can not fix the error, we recommend you use more reliable remote access software AnyViewer to avoid such issues.