It is currently not possible to update the following properties of Microsoft 365 groups via Adaxes:
- Let people outside the organization email this group (allowExternalSenders)
- Send copies of email and events to members (autoSubscribeNewMembers)
Cause
Microsoft Graph API doesn't allow updating these properties using an application account.
Error message
Property cannot be set. App-only permissions are not currently supported for the property by Microsoft Graph API.