Login hint is duplicated error in Microsoft Teams issue [Solved]

Some Microsoft Teams users have recently complained about this “The parameter ‘Login_hint’ is duplicated” error message while login into the app. This is a problem of corrupt Teams cache and should be taken care of manually to fix the problem. Follow our instructions to clear the accumulated local MS Teams cache on the system to fix the “Login_hunt” error at your end.

Fix 1 – Clear the Teams Credentials

Windows catalogs all the Teams credentials locally on your logged-in computer. Clearing the Teams credentials should help you resolve the issue.

Step 1 – Exit Teams.

Step 2 – Open the system tray from the Taskbar.

Step 3 – If you can see the “Teams” app and tap “Quit” to quit MS Teams.


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Step 4 – Just click the Start key once and type “credential“.

Step 5 – Then, tap “Credential Manager” to open the Credential Manager utility on your screen.


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Step 6 – Go to the “Windows Credentials” tab.

Step 7 – Slowly scroll down to find the “Teams” credentials. Expand it.

Step 8 – Then, tap “Remove” to delete all the Teams account information.


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After removing the Teams credentials, exit the Credential Manager.

Restart the computer after deleting the Teams account information. Launch Teams and use your login credentials to log in to Teams.


Fix 2 – Empty the corrupt Teams Cache

If removing only the Teams credentials doesn’t work, delete certain Teams cache folders to fix the error.

Step 1 – Close all Teams processes

Step 1 – Close the Teams app. It still continues to run in the background.

Step 2 – Open the system tray from the Taskbar.

Step 3 – If you can see the “Teams” app and click “Quit” to exit Teams.


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Step 4 But, even this isn’t enough. So, hold the Win+X keys together.

Step 5 – Click “Task Manager“.


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Step 6 – Find out any Teams processes. Right-click any Teams processes and tap “End task” to kill that.

End all the MS Teams processes.

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Step 2 – Delete Teams cache folder

Delete the Teams cache following these easy steps.

Step 1 – Open a Run dialog box using the Start+R keys together.

Step 2 – Then, write down this in the box and hit Enter.



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Step 3 – Now, you can delete some selective files and folders here. But, we recommend you select everything here and tap the bin icon to empty the entire contents.


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Close the opened File Explorer folder. Then, reboot your PC. Launch Teams and log into Teams using the proper credentials. This should fix the “Login_hunt” error message.


Fix 3 – Use the Teams on the web

This is an excellent alternative if the issue still persists after clearing the Teams cache.

Step 1 – Close the Teams app.

Step 2 – Then, click the arrow sign on the Taskbar and look for the “Teams” icon in the system tray.

Step 3 When you see the Teams icon and tap “Quit“.


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Step 4 – Now, open a browser of your choice. Google Chrome is good. Go to Teams.

Sign in using your MS Teams credentials. Continue to use the web version (it is almost similar to the app client on the desktop).


Fix 4 – Repair/Reset the MS Teams

Repair the MS Teams. If this doesn’t work, try resetting the app.

Step 1 – Exit Teams. Directly type “teams” after pressing the ⊞ key.

Step 2 – Right-tap “Microsoft Teams” and tap “App Settings“.


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Step 3 – In the Microsoft Teams page, go to the Reset area. Then, tap “Repair” to repair the app.

Step 4 – After this, minimize Settings and retry logging into Teams.


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Check if this helps you resolve the issue.

Step 5 – If you are still seeing the “login_hint” error message, get back to Settings.

Step 6 – Tap “Reset” once. Again, click “Reset” to reset the Teams page.


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Launch Teams once more. You have to log in again. Check if this works.


Fix 5 – Perform a Clean reinstall of MS Teams

If nothing so far has worked for you, uninstall MS Teams, clear the locally stored Teams folder, and reinstall it.

Step 1 – Just right-click the Start button and tap “Installed apps“.


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Step 2 – Search “Teams” in the search box.

Step 3 – You will find all the instances of the Teams app. So, click the three-dot and tap “Uninstall“. Confirm the uninstallation step.


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Step 4 – This way, uninstall any other Microsoft Teams app installed on your computer.


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Exit Settings.

Step 5 – Open the File Explorer. Then, head on to this point –


[You can use a Run box to reach the location.


Step 6 – Delete all the files inside this Microsoft Teams folder.


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Step 7 – Following the same steps, you have to empty all these folders –



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Step 8 Get Teams directly from MS Teams.

Step  9 – Install the latest version of Teams on your computer.


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After installing it, log in using the proper credentials. You won’t face the same error message again.