Issue in signing in my microsoft teams of the university

Copper Contributor

Hi there,
I'm Ahmad and I'm having a problem in singing in my account in Microsoft teams 
error code is CAA90049,
What is the problem and how can I fix it 
although my account keeps asking for verification code every time I sign in, is it normal ?

Thanks alot!!

1 Reply

Hi @ahm0214535 



I am an Independent advisor answer questions about Microsoft 365.

You can contact your IT admin to check if your Teams is disabled. Also, can you sign in to other Microsoft 365 applications like Outlook?

You can also run a Teams diagnostic test with this Microsoft tool -


If you find this information helpful, please mark it as best response which will assist others with the same question.

/Temitope Victoria