How to fix
Teams error CAA30194
on Windows

Hello. I tried to log into Teams but I received the CAA30194 error. How do I fix this?

Microsoft Teams is a collaboration platform that enables users to communicate with coworkers, share files, and collaborate on projects in real-time. The platform provides a number of advantages, including increased productivity, improved communication and collaboration, and simplified project management.

The Teams error CAA30194 is an issue that affects users trying to log in to Microsoft Teams on Windows. This error indicates that the application is having difficulty connecting to the appropriate servers, which may prevent users from accessing Teams and collaborating with their team members.

The CAA30194 error can be extremely frustrating for users because it prevents them from accessing the Teams application and all of its features. This can cause project delays, miscommunication among team members, and decreased productivity. As a result, it is critical to resolve this issue as soon as possible.

Restarting the device and router, clearing the Teams cache, checking the internet connection, disabling VPN and proxy servers, and reinstalling the application are all possible solutions to the Teams error CAA30194. The appropriate solution, however, may depend on the root cause of the error and may necessitate some technical expertise to implement.

In this guide, you will find 7 steps that should help you fix Teams error CAA30194 in Windows. You can also try using a maintenance tool like [d1] that can fix most system errors, BSODs,[ref en-1] corrupted files, registry[ref en-2] issues, or clear cookies and cache.[ref en-3] Otherwise, follow the step-by-step instructions below.

Method 1. Restart your PC and Router

It is recommended to restart both the device and router before relaunching Microsoft Teams as the initial step to troubleshoot the CAA30194 error. This error may be caused by a temporary bug, and restarting the devices may be the best way to resolve it.

Method 2. Clear Teams Cache

• Click the Windows key + R to open the Run dialog box.
• Type the following command and press Enter:

%appdata%\Microsoft\teams

• Open the following folders:

application cache\cache

blob_storage

Cache

databases

GPUcache

IndexedDB

Local Storage

tmp

• Clear all of the content in each of these folders.
• Finally, restart the system and launch Microsoft Teams.

Method 3. Delete JSON Files

• Close the Teams app.
• Press the Windows key + R to open the Run dialog box.
• Type the following command in the Run dialog box and press Enter:

%appdata%\Microsoft\teams

• Find and select all the files with a .json extension.
• Uninstall all selected files.

Method 4. Enable TLS

• Go to the Search bar, type Internet Options, and select it from the pop-up panel.
• Click on the Advanced tab.
• Navigate to the Security section.
• Check if TLS 1.0, TLS 1.1, TLS 1.2, and TLS 1.3 are enabled. If they are disabled, enable them.

• Select the OK button to save the changes.
• Run Microsoft Teams to see if the issue persists.

Method 5. Disable VPN and Proxy Server

VPN clients and proxy servers can create obstacles in the connection between the Teams server and the Windows 11/10 client machine. This can prevent access to Teams. Therefore, it is recommended to disable or uninstall the VPN software or remove any proxy server from the device. After doing so, check whether logging in to Teams is possible or not.

Method 6. Reinstall the App

• Open the Start menu.
• Search for Control Panel and click on it.
• Select Programs and Features.
• Find the app you want to uninstall in the list of installed programs.
• Click on the app to select it.
• Click on the Uninstall button located at the top of the list of programs.
• Follow the prompts in the uninstall wizard to complete the process.
• Wait for the app to finish uninstalling and then close the Control Panel.
• Press the Windows key + R to open the Run dialog box.
• Type %appdata% and press Enter.

• Search for the Teams folders and right-click on them.
• Select the Uninstall option.
• Reboot your PC.
• Install a fresh copy of the app.

Method 7. Use the Web Version (workaround)

The error CAA30194 is primarily observed in the desktop version of Teams. If the previously mentioned solutions do not work, we recommend using the web version of the app. To access it, go to teams.microsoft.com, log in to your account, and proceed.