Forum Discussion
Thai_Lam
Jul 22, 2022Brass Contributor
teams calendar missing
Hi fellow, I am having trouble getting calendar to show up for some accounts. The user mailbox is on Exchange 2019. I've tried to move myself to the exact mailbox database, my Teams calendar is s...
Jul 24, 2022
Hi Thai_Lam ,
I often this error when the external customer's firewall isn't configured correctly, and Microsoft Teams can't access your OnPrem Exchange EWS directories.
If you have a large Exchange Org with several Exchange Servers in different regions, also check the internal network communication.
I guess, you already know the Microsoft support page for troubleshooting Teams calendar integration issues:
Best regards,
Thorsten