Troubleshooting Microsoft Teams Error Code caa30194

Remote work has become very popular lately due to the unexpected global health issues that took the whole world by surprise. As a result, many companies and professionals are now relying on collaboration software to carry out their daily business operations and work remotely.

Microsoft Teams is one of the most popular remote work and collaboration software in the world with tens of millions of users. Taking into account this huge number of users, it’s understandable that the tool may stop working from time to time.

In this guide, we’re going to focus on a specific Microsoft Teams error that’s been bugging a lot of users lately, namely error code caa30194. This error usually occurs when users try to log into the platform using the desktop client but the desktop app is failing to connect.

Fix Microsoft Teams Error caa30194 With These Solutions

1. Clear the Teams cache

This basically means you’re going to delete all the Microsoft Teams temporary files stored on your machine. Here are the steps to follow:

Close your Microsoft Teams desktop client
Open File Explorer
Type %appdata%\Microsoft\teams to open the Teams directory and access the folders stored there
Go to Cache and delete all the files from the Cache folder
- To quickly access the Application Cache, you can also type %appdata%\Microsoft\teams\application cache\cache in File Explorer
Go to the Blob_storage folder and delete all the files you find in that folder
- Again, you can access the Blob_storage folder directly by typing %appdata%\Microsoft\teams\blob_storage in File Explorer.
Go to the Databases folder (%appdata%\Microsoft\teams\databases) and do the same
Open the GPUCache folder (%appdata%\Microsoft\teams\GPUcache) and delete all the files
Now, go to the IndexedDB folder (%appdata%\Microsoft\teams\IndexedDB) and delete only the .db file
Next, navigate to Local Storage (%appdata%\Microsoft\teams\Local Storage) and delete all the files stored in the respective folder
And the last step is to go to the tmp folder (%appdata%\Microsoft\teams\tmp) and delete all the files.

You can now restart Microsoft Teams and check if the error is gone.

2. Delete JSON files

Sometimes, your JSON files in the Teams installation location (%appdata%\Microsoft\teams) might get corrupted and this could potentially prevent users from logging in.

To fix this problem, delete all 4 JSON files along with logs file from %appdata%\Microsoft\teams.

Launch Teams again to automatically re-create the JSON files you just deleted. Check if you’re still having issues logging into Teams after doing that.

3. Enable TLS 1.0 / 1.1 and 1.2 in Internet Options

Another solution is to enable TLS 1.0 / 1.1 and 1.2 in Internet Options. Many users confirmed this quick method worked for them so do give it a try.

It seems you need to enable these settings for Microsoft Teams to work properly. Here’s how to enable TLS 1.0 / 1.1 and 1.2:

Go to Start and type Internet Options
Double-click on the first result
Go to the Advanced tab
Scroll down to the Security section
Make sure TLS 1.1 and TLS 1.2 are checked
Save the changes if you checked the TLS boxes and close Internet Options.

4. Reinstall the desktop app

As a last resort, you can try uninstalling and reinstalling the Microsoft Teams desktop app.

Open the Settings app
Go to App and select Apps & Features
Locate Microsoft Teams
Select it and click on the Uninstall button
Wait until the app is completely installed and restart your computer
Go to the official Microsoft Teams website and download the app again
Install it and check if you can sign in.

5. Use the web/ mobile version of Microsoft Teams

The good news is that error caa30194 does not affect the web or the mobile version of Microsoft Teams. As a workaround, you can use one of these versions instead if you don’t want to re-install the desktop app.

There you have five potential fixes to solve error caa30194 in Microsoft Teams. If you’re lucky, the problem will be gone after applying the first solution. But sometimes, you may need to go through all the methods listed in this guide to fix the problem.