Forum Discussion
Teams calendar not syncing with exchange on-prem calendar
Hello, I have a problem with the calendar sync between exchange online/Teams for a customer. I configured Azure AD Connect with the hybrid option and users are synced to the cloud and licensed with...
Hello again, EAS? Now you’re making me even more confused. As the cert service failed and you’re experiencing several issues I highly recommend support from Microsoft senior engineers. Ask the support agent to escalate your ticket for proper assistance. Hope it gets sorted!
Hi,
I finally solved the main problem, the issue was caused by O365 E3 Test licenses which setup a korrupt mailbox it seems. After desyncing and deleting the affected user accounts, sync was working normally.
Unfortunately all private chat is gone too with the user deletion and so I'm currently searching for a Teams chat history restore but will open a new thread for this issue.
Kind Regards