http://technet.microsoft.com/en-us/library/ms180099(v=sql.90).aspx
sp_makewebtask is retained for backward compatibility. New Web pages are more easily created using Microsoft SQL Server 2005 Reporting Services (SSRS).
This feature will be removed in the next version of Microsoft SQL Server. Do not use this feature in new development work, and modify applications that currently use this feature as soon as possible.