I have been a bit slow getting started with my blog but here it is my first post! This post covers what features and other items are configurable at each level - I do not believe this list is complete. Therefore if you have more to add to this please comment on my blog or email me jennyeverett215j@hotmail.com and I will add it on. Feature Description Level Data Connection Library Adds Data Connection Library feature Farm Excel Services Farm feature Adds farm-level Excel Services Features to the Windows SharePoint Services framework Farm Global Web Parts Installs additional web parts common to all types of sites. Farm Spell Checking Enable Spell Checking in WSS list-item edit forms. Farm Worker Process isolation Faulty code could bring down applications by web app, this is less likely at any other level. Also security breaches would be per web app. Web App/App pool Office Server Enterprise Search Uses the Office Server Search Service for search over broad enterprise content. In addition to list and site scopes, provides search over people profiles, business data, remote and custom content sources. Uses multiple tabs to display results in the Search Center. Web App Office Server Site Search Uses the Office Server Search Service for site and list scoped searches. Web App OSS Enterprise web application features Features such as the business data catalog, forms services, and Excel Services, included in the Office SharePoint Server Enterprise License Web App OSS Standard web application...