Resolved : Services have now been restored to Microsoft Teams messaging.
Microsoft has indicated in their latest update that this was a Canada-wide issue due to a recent change that they made.
They have now made the necessary change to restore the service.
March 25, 2021 – 10:00 PT
Investigating : We have received numerous reports of users in Microsoft Team not being able to send messages or they are sent with a long delay.
We are currently investigating the issue.
Our next update will be at 10:00 PT.
March 25, 2021 – 08:58 PT
See https://status.it.ubc.ca for further details.