We're sorry—we've run into an issue.
If that doesn't work, try signing out and back in.
desktop -
Error code - 80090016
There's a more permanent way to sign in to Microsoft Teams.
If you're having trouble completing the process, talk to your IT admin.
If you are using Microsoft Teams with a Business of School or Work account, and you see an error message 80090016, the reason for this error is mostly related to caching.
Ways to resolve 80090016 error
Step 1: Go to Start-> Menus -> Settings.
Step 2: Under Accounts got to Access work or school.
Step 3: Now disconnect the account that is having issues.
Step 4: Open Teams again and try to login.
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Facing issues? Have Questions? Post them here! I am happy to answer!
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