In addition to the syncing calendars will full access rights we also support Free busy only synchronisation for Exchange and Office 365 accounts connected via Enterprise Connect.
In order to make use of Enterprise connect with Free Busy only calendars you must first request access to the feature by contacting us at firstname.lastname@example.org.
You must be running a server with either Exchange or Office 365 and have configured a service account with the correct access rights to the target calendars.
Example: Granting the
AvailabilityOnly folder permission to a service account via Powershell
Add-MailboxFolderPermission -Identity email@example.com -AccessRights AvailabilityOnly -User firstname.lastname@example.org
The authorization process differs slightly from a calendar with full access rights, you must request only the
free_busy scope when Requesting Delegate Access to a calendar.
Please note that the service account's delegate scope must include
free_busy in order to authorize this scope. The service account may also have additional delegate scopes.
Should any additional scopes be requested (for example
read_events) and the service account be unable to read events from the Exchange server you will receive an
unable_to_grant_scope error in the callback.
To help you diagnose these errors we have made the errors viewable on the Enterprise Connect section of your Developer dashboard. In addition to this we can also expose the Exchange validation logs via the Developer dashboard to diagnose your connectivity issues - again please contact email@example.com to request access to this.
A simple way to test that the access has been granted correctly is so make these calls and validate the callback has no error.
As the only scope these accounts can be granted is
free_busy you will be limited to accessing the following methods
In order to identify a Free busy only account you can either make a call to https://www.cronofy.com/developers/api/#userinfo and see that the
In addition to this listing the calendars for a free busy only account will return a single read only calendar named