You can disable a community, preventing all access to that community.
- Log in to the Portal Administration Pages and click on the Communities tab. 
- Locate the community that you want to edit and click the edit link next to the community name. - Or, enter the Community Administration for the community and click the Community Settings tab. - The Community Settings Page opens. 
- To disable the community, set the Community Status option to Inactive. 
- Click Update. - The settings you have specified are applied to the community. If a user tries to visit the community, the portal will display a page that says this community is offline. 

