search
HomeComputer TutorialsTroubleshootingHow to fix Microsoft Teams error CAA90063 in Windows?

The error code CAA90063 in Microsoft Teams may arise when users attempt to open the application but encounter difficulties in doing so. The complete error message typically states, “We couldn’t sign you in. Please try again later. Error code: CAA90063.” This error may occur for numerous reasons, frequently associated with authentication issues or complications regarding system settings.

There might be more than one reason you are experiencing the CAA90063 error. The most common cause is an issue with your Microsoft account; this could be wrong login details or expired login sessions. Another plausible cause could be a network issue where Teams cannot connect to the relevant servers.

The error can also be related to outdated or corrupted Teams application files, inappropriate system configurations, or some conflict with other third-party applications like virtual private networks (VPNs) or firewalls. The problem could probably be due to an issue resulting from Office 365 or Microsoft's authentication services.

If you encounter the CAA90063 error, then there is a lot you might do to troubleshoot the problem. First of all, make sure your Microsoft account credentials are correct and you have a stable internet connection. If the issue continues to be problematic, check for more advanced solutions through which you could troubleshoot your system's configuration and settings of Teams. Given below are some of the possible solutions that could help you resolve this error.

It is important to systematically try out each solution and find out which one works for your case. Some solutions will immediately set right the problem, while others will involve more work. For a more automatic approach, try running FortectMac Washing Machine X9 PC repair app. Either way, applying the right approach is how you'll be able to fix the CAA90063 error and get Teams working.

How to fix Microsoft Teams error CAA90063 in Windows?

Fix 1. Check your internet connection

If your internet connection is unstable or disconnected, Teams may fail to authenticate, leading to the CAA90063 error. Ensuring a stable connection is the first step in resolving this issue.

Windows 11

  • Type Troubleshoot in Windows search and hit Enter.
  • Select Other troubleshooters.
  • Locate Network & Internet troubleshooter from the list and click Run.
  • Wait till the process is finished and apply the recommended fixes.
  • Restart your computer.

How to fix Microsoft Teams error CAA90063 in Windows?

Run Network troubleshooter in Windows 10

  • Right-click on Start and pick Settings.
  • Go to the Network & Internet section.
  • On the right side, find the Advanced network settings section.
  • Click Network troubleshooter and wait.
  • The fixes will be automatically applied.

Fix 2. Sign out and sign back in

Sometimes, simply signing out and signing back into Microsoft Teams can resolve authentication issues, including the CAA90063 error.

  • Open Microsoft Teams.
  • Click on your profile icon in the top-right corner.
  • Select Sign Out.
  • Close Teams completely and restart it.
  • Sign in again with your correct credentials.

Fix 3. Clear Teams cache

Corrupted cache files can cause various issues with Microsoft Teams, including the CAA90063 error. Clearing the cache can help restore the app's functionality.

  • Close down Microsoft Teams.
  • Press Win E to open File Explorer.
  • Ensure Hidden files are visible.
  • In the address bar, type in %appdata%Microsoftteams and press Enter.
  • Delete the contents of the following folders:
    %appdata%Microsoftteamsapplication cachecache
    %appdata%Microsoftteamsblob_storage
    %appdata%MicrosoftteamsCache
    %appdata%Microsoftteamsdatabases
    %appdata%MicrosoftteamsGPUcache
    %appdata%MicrosoftteamsIndexedDB
    %appdata%MicrosoftteamsLocal Storage %appdata%Microsoftteamstmp
  • Make sure you empty the Recycle Bin (or use Shift Del combination to delete these files).
  • Restart your system.

How to fix Microsoft Teams error CAA90063 in Windows?

Fix 4. Update Microsoft Teams

Outdated app versions can result in various errors, including CAA90063. Ensuring that Teams is up-to-date can fix bugs and compatibility issues.

  • Open Microsoft Teams.
  • Click on the Settings and more button at the top-right corner.
  • Select Check for updates.
  • Teams will automatically download and install any available updates.
  • Restart Teams after the update is completed.

How to fix Microsoft Teams error CAA90063 in Windows?

Fix 5. Disable third-party applications

Third-party applications like VPNs, firewalls, or security software can sometimes interfere with Teams' ability to authenticate. Temporarily disabling these apps can help determine if they're the cause.

  • Disable any VPN software that might be running.
  • Temporarily turn off your firewall and security software.
  • Restart Microsoft Teams and attempt to sign in again.

Fix 6. Reinstall Microsoft Teams

A fresh installation can fix various issues caused by corrupted files or incomplete installations.

  • Type Control Panel in Windows search and press Enter.
  • Go to Programs > Uninstall a program.
  • Find Microsoft Teams, right-click, and select Uninstall.
  • Follow the prompts to remove the app.
  • Once done, press Win E to open File Explorer.
  • In the View tab at the top of the window, enable Hidden Files.
  • Go to C:Program FilesWindowsApps location.
  • Scroll down to find the Microsoft Teams folder and delete it (alternatively, you can rename it).
  • Now type %AppData% in Windows search and press Enter.
  • Delete the Teams folder here.
  • Finally, restart your system and reinstall the app.

How to fix Microsoft Teams error CAA90063 in Windows?

Fix 7. Check Microsoft service status

The CAA90063 error may sometimes occur due to problems with Microsoft’s authentication servers. Checking the Microsoft service status can help you determine if the issue is server-side.

  • Visit the Microsoft Service Status page.
  • Look for any ongoing issues or outages related to Teams or Microsoft services.
  • Wait for the server issues to go away.

How to fix Microsoft Teams error CAA90063 in Windows?

The above is the detailed content of How to fix Microsoft Teams error CAA90063 in Windows?. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
R.E.P.O. Save File Location: Where Is It & How to Protect It?R.E.P.O. Save File Location: Where Is It & How to Protect It?Mar 06, 2025 pm 10:41 PM

Are you hooked on R.E.P.O.? Curious where your game progress is stored? This guide reveals the location of your R.E.P.O. save files and shows you how to protect them. Losing your game progress is frustrating, so let's ensure your hard work is safe

How to fix Microsoft Teams error 9hehw in Windows?How to fix Microsoft Teams error 9hehw in Windows?Mar 07, 2025 am 12:00 AM

Understanding Microsoft Teams error tag 9hehw on Windows Microsoft Teams is a crucial communication and collaboration application by which users are able to joi

All Fixes for Monster Hunter Wilds Fatal D3D Error on PCAll Fixes for Monster Hunter Wilds Fatal D3D Error on PCMar 05, 2025 pm 06:01 PM

Monster Hunter Wilds players are encountering frustrating crashes due to Fatal D3D or RE Engine Aborted errors. This guide provides solutions to resolve these issues and get you back to hunting. Understanding the Problem Monster Hunter Wilds uses Cap

Spotlight on KB5053606 Not Installing for Windows 10, Exact StepsSpotlight on KB5053606 Not Installing for Windows 10, Exact StepsMar 13, 2025 pm 08:02 PM

Windows 10 KB5053606 Update installation failed? This guide provides effective solutions! Many users are having problems trying to install the Windows 10 KB5053606 update released on Tuesday of Microsoft's March 2025 patch, such as SSH connection interruption, Dwm.exe unresponsiveness, or input method editor (IME) issues. Updates may be stuck during downloading or installation, or error codes may appear, such as 0x800f0922, 0xd000034, 0x80070437 and 0x80072efe. KB5053606 installation failure is usually caused by a variety of reasons, including Windows update component failure, system file corruption, and disk

How to fix KB5053602 fails to install in Windows 11?How to fix KB5053602 fails to install in Windows 11?Mar 13, 2025 am 10:00 AM

The KB5053602 patch, released on March 11, 2025, targets Windows 11 editions 22H2 and 23H2, elevating the OS to OS Builds 22621.5039 and 22631.5039, respectivel

R.E.P.O. Crashing & Freezing on PC? Result-Driven FixesR.E.P.O. Crashing & Freezing on PC? Result-Driven FixesMar 07, 2025 pm 08:02 PM

Troubleshooting R.E.P.O. Game Crashes: A Comprehensive Guide Experiencing frustrating game crashes, especially in a team-based game like R.E.P.O., can be incredibly disruptive. This guide offers several solutions to resolve R.E.P.O. crashes, freezes

How to fix Windows update error 0x800f0838?How to fix Windows update error 0x800f0838?Mar 11, 2025 am 12:00 AM

Windows updates are essential components delivered by Microsoft to enhance the functionality, security, and stability of the Windows operating system. These upd

Grand Theft Auto V Enhanced Save File Location, A Roadmap HereGrand Theft Auto V Enhanced Save File Location, A Roadmap HereMar 06, 2025 pm 10:34 PM

This MiniTool guide shows you how to locate and back up your Grand Theft Auto V Enhanced save files on your Windows PC. Rockstar Games' enhanced edition boasts impressive visuals (ray-traced shadows, AMD FSR1 & 3, NVIDIA DLSS 3), improved audio,

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

Hot Tools

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool

Dreamweaver Mac version

Dreamweaver Mac version

Visual web development tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)