I have been out of town and away from my office. Thanks for the replies to my post.
Glen, the shed dormer roof plane should be 4 in 12 and leave the main roof plane at 12 in 12. The shed roof plane is forcing it's pitch on the main roof. I followed the steps in the tutorial, listed in ( my orginal post) but end up with these results?
Jay, thanks for your reply. I actually discovered "auto dormers" on my toolbar and placed an auto dormer in the rear roof plane and edited to my specifications. It was quick and easy.