A lot of people mail me question about problem with sheduled DTS Packages.

This article should explain *clearly* and *finally* which account is used to run job steps:

http://www.davidemauri.it/dasBlog/PermaLink.aspx?guid=bb70884a-32c8-4124-a0ab-4a33ba6d186d

Update: As requested the article is also available here:

http://weblogs.sqlteam.com/dmauri/articles/6914.aspx