6 Best Ways to Fix CAA30194 Error Code on Microsoft Teams

The CAA30194 error in Microsoft Teams signals a communication failure between the app and your account. Often, this is caused by network issues or corrupted application files. 

In this guide, I’ll show you how to fix this error. 

Let’s start!

1. Check Your Internet Connection 

The CAA30194 error in Microsoft Teams typically suggests that there are issues with server connectivity or your Microsoft account. 

Run a speed test to rule out any network issues. 

caa30194 error code on microsoft teams

Should the test indicate connectivity problems, reboot your modem or router to reset your connection. 

  1. Unplug your router’s power cable. 
  2. Wait for 5 to 10 seconds. 
  3. Plug the cable back in.

After restarting, run another speed test to verify if the issue has been resolved. If problems persist, contact your internet service provider for further assistance. 

Related: How to Fix Microsoft Teams Error 0xcaa80000

2. Reconnect Your Microsoft Account

Sometimes, your Microsoft account might be disconnected from Teams, appearing active in the app despite the disconnection. This error often occurs after changing your password or logging in from another computer. 

To reconnect your account:

  1. Launch Microsoft Teams on your computer. 
  2. Click on your Profile icon in the top-right corner. 
  3. Choose Add Work or School Account
caa30194 error code on microsoft teams
  1. Enter your email address and password to continue. 

Related: Fix: Microsoft Teams Error ‘login hint’ is Duplicated

3. Clear Microsoft Teams Cache

App caches consist of temporary files on your computer, designed to enhance performance. However, as these files build up, they can corrupt, potentially disrupting Microsoft Teams and your system’s overall function.

Should the CAA30194 error persist in Microsoft Teams, clearing its cache may help:

  1. Press Windows + R to open the Run dialog. 
  2. Enter %appdata%\Microsoft\Teams and hit Enter
  3. In the opened folder, select all files and delete them. 
Application Cache






Local Storage


4. Reset the Internet Properties

Adjustments to your internet properties, whether by you or third-party applications, can also disrupt Microsoft Teams. 

To rule this out, resetting your internet properties can help restore normal function.

Follow these steps:

  1. Press the Windows key to open the Start Menu
  2. Search for and select Internet Options. 
  3. Go to the Advanced tab. 
  4. Click Restore Advanced Settings
Reset Internet Options

Related: How to Fix Windows Has Detected An IP Address Conflict Issue

5. Delete .JSON Files from Microsoft Teams Directory

In addition to app caches, Microsoft Teams uses .JSON files to store temporary data. Unfortunately, these files can also get corrupted, potentially leading to issues such as the CAA30194 error. 

To address this, you can remove .JSON files from the Microsoft Teams directory by following these steps: 

  1. Press Windows + R to open the Run dialog. 
  2. Type %appdata%\Microsoft\Teams and press Enter
  3. Locate and delete all files with the .json extension.

6. Update Microsoft Teams to the Latest Version

If the CAA30194 error persists in Microsoft Teams, consider updating the application. 

The current version of Teams might be experiencing compatibility or connection issues with the servers and your account. 

To update Microsoft Teams: 

  1. Launch Microsoft Teams on your computer. 
  2. Click on More (three-dot menu) in the top-right corner. 
  3. Select Check for Updates
  4. Follow the prompts if there’s an available update.
caa30194 error code on microsoft teams

Related: Fix: Can’t Download Updates on Microsoft Teams


What is the error code CAA30194 on Teams?

The error code CAA30194 on Teams is related to authentication issues involving the app, Microsoft servers, and your account. Resolving this error may be as simple as re-adding your work or school account, even if it appears to be already linked.

How do I clear the Microsoft Teams cache?

To clear the cache in Microsoft Teams: 

  1. Press Windows + R to open the Run dialog. 
  2. Type %appdata%\Microsoft\Teams and press Enter
  3. In the opened folder, select all files and delete them. 

Is it safe to clear Teams cache?

Yes, clearing the cache on Microsoft Teams is generally safe. However, it’s advisable to first restart your computer and Microsoft Teams when facing errors or other issues, before proceeding to clear the cache. 

Where is the MS Teams cache located?

The cache for Microsoft Teams is stored in a hidden folder, which you can access by:

  1. Pressing Windows + R to open the Run dialog. 
  2. Typing %appdata%\Microsoft\Teams and press Enter

If this guide helped you, please share it. 


  • John Sixto

    John is a staff writer at Saint and comes from a SAP ABAP development background. He has a Bachelors in IT and has been writing since 2018, with over 500 posts published. He loves to build PCs and has a deep curiosity in understanding how different components and configurations work. John spends hundreds of hours at a time, researching and testing the software and apps, before he proceeds to write about it. LinkedIn X (Twitter)

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