Some users may experience multiple issues with Microsoft Teams

Update: January 29th, 9:15: The problems affecting Microsoft Teams were resolved over the week-end. If you are still experiencing problems, please restart your computer. If the problem persists, please contact the service desk.

Update: January 26th, 16:08: No resolution yet but Microsoft is applying configuration changes intended to reduce customer impact as quickly as possible. We will provide further updates as we receive them.

Original announcement: Users may experience multiple issues with Microsoft Teams, most notably: difficulties logging in after rebooting. User may also experience delays in message delivery and in documents/images availability.