The primary function of the Groups page is to provide you with access to all of your community’s groups. A group is a mini-community with its own membership consisting of up to one blog, media gallery, and forum.
As a registered user of your community, you can launch a forum discussion in any group that has open membership.
You can request membership to a group in the Web community if the group is public. If the group is private, the request membership option will not be available to you. The request membership option displays when you open the group you want to join.
When you subscribe to a group, Community Server notifies you of any activity in that group. Procedure Open the group to which you want to subscribe. Click on Subscribe to group in the right sidebar. The link changes to Unsubscribe from group . You can unsubscribe from the group by clicking on the link...
Use the following procedure to unsubscribe from a group.