It may happen that when creating the Microsoft 365 calendar link, the message below appears after logging in to the Microsoft account.
​

If you get the above message, enter a reason (e.g. Tribe CRM link) and click Request approval.
​

After that, the Microsoft 365 administrator can approve the link and the link can be re-established.
​

The steps for approving the app for the administrator are described below:
​