Issue on Microsoft Teams app on Mac OS with 2FA

[Aroh Shukla]

Hi all, 

• We have some users facing a problem in using  Microsoft Teams app with Mac OC with 2FA. Other users on Windows not facing this issue. 
  
  Problem Statement
  
  
• While switching to Microsoft Teams app's  Calendar, 2FA pops out
•  It comes only for the Calendar app only on Mac machines. 
  
  User's Environment  
• Has On-Prem and Online Hybrid environment. 
• Has AD-Connect in their Infraststaure. 

there are some articles that  on clearing Teams cache 

1. Multiple Teams Issues on Mac
2. Teams not working on Mac

any other recommendations to resolve this?  
@Vasil Michev  

[#2]

@Aroh Shukla 

Hi, do the affected users have their mailboxes hosted on-prem or in Exchange Online please, or is there a mixture of both?