If a user does not accept the invitation to a Space, an administrator can make them a member of the Space anyway.
To add a user to a Space:
In the Management Toolbar, click on the Members button
Users who are already members of the Space are shown under Members; users who have received an invitation are shown under Invited.
Under Invited, select the user to display the Administration page in the working area.
- Click the Force Add item under Invited to add the user as a member of the Space.
Doing this adds the user as a member of the Space without giving them the option to decline, but they are sent an email notification, informing them that they have been added (and containing a link to the Space). They can then leave the Space, if they wish.