Microsoft 365 - Resource Calendar Not Automatically Processing Invitations and Cancellations

When a resource is created, users may experience issues with the calendar not automatically processing invitations and cancellations. Follow the steps below to resolve this problem.

1. Log into Office 365 account via Outlook on the web.
2. Click your name/icon/avatar in the top right corner and select Open another mailbox...
3. Enter the resource name and either select it from the automatic look up list or click Search Contacts & Directory link to find the room in the Open another mailbox field. Note: If the resource is not found, enter in the fully qualified email address of the resource and search again.
4. Click Open. The resource account will open in a new browser tab.
5. Click on the settings icon in the top right corner and selection View all Outlook settings from the bottom of the drop-down menu.
6. On the left hand pane, expand the Calendar menu and select Resource scheduling.

   You will see a screen that looks like this:

   

   Although the Automatically process event invitations and cancellations option is checked, the setting is not actually in effect.

7. Uncheck the Automatically process event invitations and cancellations option and click Save.
8. Recheck the Automatically process event invitations and cancellations option and click Save.

See Also:

• Microsoft 365 - Known Issues
• Microsoft 365 - Configure Resource Scheduling Options/Settings/Permissions