At: List Settings > Form Settings ...One may select the radio button for "Customize the current form using Microsoft InfoPath" and a good preparatory step for using InfoPath and then press the "OK" button. Unfortunately one may also end up with message reading:
The publish operation could not be completed. It cannot be determined if the form template was successdully published. Try publishing form template again, or change the list settings to use the default SharePoint form. Catastrophic failure
Make sure you have these settings at: Site Actions > Site Settings > Site Collection Administration > Site collection features
- SharePoint Server Enterprise Site Collection features
Features such as InfoPath Forms Services, Visio Services, Access Services, and Excel Services Application, included in the SharePoint Server Enterprise License.
- SharePoint Server Publishing Infrastructure
Provides centralized libraries, content types, master pages and page layouts and enables page scheduling and other publishing functionality for a site collection.
Make sure you have these settings at: Site Actions > Site Settings > Site Actions > Manage site features
- SharePoint Server Publishing
Create a Web page library as well as supporting libraries to create and publish pages based on page layouts.
That said, I still can't get on the other side of this error... :(