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How to Fix Microsoft Teams Keeps Asking to Sign In Error on Windows 11

Microsoft Teams is a popular communication tool used by many for work and collaboration. Sometimes, users on Windows 11 face an issue where Teams keeps asking them to sign in repeatedly. This can be frustrating and interrupt your workflow.

Fortunately, this problem can often be fixed with some simple troubleshooting steps. These steps are easy to follow, even if you’re not very tech-savvy.

In this article, we will guide you through the process of resolving the Microsoft Teams sign-in loop issue on Windows 11. By the end, you should be able to use Teams without constant sign-in prompts.

Let’s get started and solve this issue step-by-step.

Quick Note Before You Begin

Before diving into fixes, make sure you have the following checked:

  • Your internet connection is stable and working properly.
  • You are using the latest version of Microsoft Teams.
  • Your Windows 11 system is up to date with all recent updates installed.
  • You know your correct Microsoft Teams login credentials.

These checks help avoid problems caused by simple connectivity or outdated software issues.

Step 1: Restart Microsoft Teams and Your Computer

Sometimes, software glitches cause sign-in loops. Restarting can clear temporary issues.

  1. Close Microsoft Teams completely. Right-click the Teams icon in the taskbar and choose Quit.
  2. Press Ctrl + Shift + Esc to open Task Manager.
  3. In Task Manager, make sure no Teams.exe processes are running. If any are found, select them and click End task.
  4. Restart your computer to refresh system processes.
  5. Open Microsoft Teams again and try signing in.

Restarting clears cached sessions and can resolve minor temporary glitches causing repeated sign-ins.

Step 2: Clear Microsoft Teams Cache

Teams stores cached files that sometimes get corrupted and cause login problems. Clearing cache can help fix this.

  1. Close Microsoft Teams completely as explained in Step 1.
  2. Press Windows + R to open the Run dialog box.
  3. Type %appdata%MicrosoftTeams and press Enter.
  4. In the folder that opens, delete the following folders and files if present:
    • Application Cache
    • Blob_storage
    • Cache
    • databases
    • GPUCache
    • IndexedDB
    • Local Storage
    • tmp
  5. After clearing these files, restart your computer.
  6. Launch Microsoft Teams and try signing in again.

Clearing the cache removes corrupted data that may cause login loops, allowing Teams to create fresh files and work properly.

Step 3: Check Date and Time Settings on Windows 11

If your system’s date and time are incorrect, Microsoft Teams may fail authentication and keep asking you to sign in.

  1. Click the clock in the bottom-right corner of your screen.
  2. Select Date and time settings.
  3. Make sure Set time automatically and Set time zone automatically are turned on.
  4. If they are off, toggle them on and wait a few seconds for the system to update.
  5. Try signing into Teams again.

Accurate time settings help your system communicate securely with Microsoft servers during login.

Step 4: Sign Out and Sign Back In Using the Web Version

Sometimes, refreshing your login session via the web version of Teams can resolve sign-in issues in the desktop app.

  1. Open your preferred web browser and go to https://teams.microsoft.com.
  2. Sign in with your Microsoft Teams credentials.
  3. Once logged in successfully, sign out from the web version.
  4. Close the browser and then try signing in again on the desktop app.

This process refreshes your Microsoft account tokens, which can help resolve authentication errors.

Step 5: Reset Microsoft Teams App

If the above steps don’t work, you can reset the Teams app through Windows settings. This will clear app data and might fix deeper issues.

  1. Press Windows + I to open Settings.
  2. Go to Apps > Installed apps (or Apps & Features).
  3. Find Microsoft Teams in the list.
  4. Click the three dots next to it and select Advanced options.
  5. Scroll down and click Reset. Confirm the prompt.
  6. After reset, launch Teams and sign in again.

Resetting the app removes all stored settings and cache from Teams, which can fix persistent sign-in loops caused by corrupted app data.

Step 6: Reinstall Microsoft Teams

If resetting doesn’t help, uninstalling and reinstalling the app is a good next step.

  1. Open Settings and go to Apps > Installed apps.
  2. Locate Microsoft Teams and click Uninstall.
  3. Follow the on-screen instructions to remove Teams completely.
  4. Restart your computer.
  5. Go to the official Microsoft Teams download page: https://www.microsoft.com/en/microsoft-teams/download-app.
  6. Download and install the latest version of Teams.
  7. Open the app and try signing in again.

Reinstalling ensures you have a fresh, updated version without corrupted files.

Alternative Method: Use Windows Credential Manager

Sometimes saved credentials conflict with Teams login. Clearing them may help.

  1. Press Windows + S and search for Credential Manager.
  2. Open Credential Manager and go to Windows Credentials.
  3. Look for any entries related to Microsoft Teams or Office 365.
  4. Click on those entries and select Remove.
  5. Close Credential Manager and restart Teams.
  6. Sign in again with your credentials.

Clearing stored credentials removes possibly outdated or corrupted login data that can cause problems.

Frequently Asked Questions (FAQs)

Why does Microsoft Teams keep asking me to sign in?

This often happens due to corrupted cache files, outdated app versions, incorrect system time settings, or credential conflicts.

Will resetting Teams delete my files or chats?

No, resetting the app only clears temporary app data and cache. Your chats and files are stored in the cloud and will remain intact.

Is it safe to clear cache or reset the app?

Yes, these actions are safe and commonly recommended troubleshooting steps by Microsoft. They do not affect your personal data stored in Teams.

Do I need admin rights to reinstall Teams?

Usually, yes. Installing or uninstalling software may require administrator privileges on your Windows 11 PC.

Can antivirus software cause sign-in issues?

Sometimes, antivirus or firewall settings can block Teams connections. Temporarily disabling them can help identify if they are the cause.

When Nothing Works

If none of the above solutions fix the issue, you can try the following:

  • Contact your IT administrator if you are using Teams through your workplace or school.
  • Visit the official Microsoft Teams Support page: https://support.microsoft.com/en-us/teams.
  • Use the Microsoft Support and Recovery Assistant tool, which can diagnose and fix Office-related problems automatically.
  • Consider creating a new Windows user profile to check if the issue is profile-specific.

These options help get professional assistance or deeper troubleshooting if the problem persists.

Conclusion

Repeated sign-in prompts in Microsoft Teams on Windows 11 can disrupt your productivity, but usually, simple fixes like restarting, clearing cache, or resetting the app resolve it quickly.

Make sure your system and app are updated, and your credentials are correct. Follow the steps carefully from the simplest to more advanced solutions for the best results.

If you still face issues, use the official support resources or contact your IT department for help. With patience and the right approach, you can get back to seamless communication on Microsoft Teams.

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