Faculty and staff who utilize the youcanbook.me (YCBM) scheduling service must re-authorize their integration interface to their University O365 calendar if they make changes to their account password or enable their account for Duo MFA for email. The re-authorization process is detailed on the YCBM support portal at: https://support.youcanbook.me/article/51-how-to-reauthorize-an-integrated-calendar-account.
Please ensure that once you change your password or decide to opt-in to Duo MFA for email you subsequently re-authorize your YCBM integration with your University email account.