We can confirm this morning that this issue is now resolved.

Some of the symptoms, such as calendars not showing within Teams, and some are struggling to create Teams meetings in Outlook, appear to now be resolved.

We are continuing to investigate the other symptoms/issues.

We are investigating an issue affecting various M365 services, including, but not limited to:
- Teams Calendar Integration
- Outlook > CRM link (automated harvester)
- Power Automate
- MS Bookings

Users are reporting a variety of symptoms, including sync errors, calendars not showing within Teams, and some are struggling to create Teams meetings in Outlook.

Our M365 Team are investigating, although we believe that this may be a global issue.

We will provide further updates as soon as possible, and apologise for any inconvenience caused.