Note: This article has done its job, and will be retiring soon. To prevent "Page not found" woes, we're removing links we know about. If you've created links to this page, please remove them, and together we'll keep the web connected.
The warning "Server Farm Configuration not Complete" appears on Central Administration pages until you complete three tasks that are necessary prior to deploying any sites. The tasks are as follows:
Add servers to the farm.
Assign required services to each server.
Create a Shared Services Provider (SSP).