The AADSTS70008 error you're encountering generally indicates that your authentication token has expired due to inactivity. To resolve this issue, you can try the following steps:
- Sign Out and Sign In Again:
- Open the Microsoft Teams app.
- Click on your profile picture or initials in the upper right corner.
- Select "Sign out" from the dropdown menu.
- Once signed out, close the app completely and then reopen it.
- Sign in again using your credentials.
- Clear Cache:
- Sometimes, clearing the cache can help resolve such issues.
- Close Microsoft Teams.
- Press
Windows + R
to open the Run dialog box. - Type
%appdata%\Microsoft\Teams
and press Enter. - Delete the contents of the folder.
- Restart Microsoft Teams and try logging in again.
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