Microsoft SharePoint 2010 Unleashed

Controlling Who Can Create Sites

Another recommended step to take for site administrators for new or existing site collections is to take a few minutes and review who has the ability to create sites. By default, only users with full control permissions in the site collection have the ability to create subsites (including document workspaces and meeting workspaces), which only include site collection administrators and members of the Owners group for the site collection. However, other permission levels may be able to create sites, which can be a good thing, if the organization wants to encourage the use of document workspaces and meeting workspaces and empower more users to build sites for collaboration purposes. Or it can be a bad thing and ...