This form template is browser-compatible, but it cannot be browser-enabled on the selected site

You receive the following message when you try to publish a browser-compatible InfoPath 2007 form template to a SharePoint server with or without Forms Services: "This form template is browser-compatible, but it cannot be browser-enabled on the selected site".

Reason:
Infopath is compatible to be able to display in browser , but SharePoint is not configured for the same.

Solution :

Configure Forms Services to allow users to browser-enable form templates.

Steps:
1. Open SharePoint 3.0 Central Administration.
2. On the Central Administration page, click on the Application Management tab.
3. On the Application Management page, under InfoPath Forms Services, click Configure InfoPath Forms Services.
4. On the Configure InfoPath Forms Services page, select the Allow users to browser-enable form templates checkbox.
5. Close the InfoPath 2007 client application.
6. Open the InfoPath form template again.
7. Try publishing the template again.