This account should be used for running SQL Server engine and SQL Server Agent. Create inside Service Manage Accounts Container
inside AD to keep it controlled. Have the following characteristics:
This account is needed for performing high privilege jobs and (such as installing fixes, upgrades, etc.). It needs to have the following permissions:
http://social.technet.microsoft.com/wiki/contents/articles/12438.sharepoint-2013-best-practices.aspx for more information.
Please Note This page is a community driven effort and is open for update. Originally, it was based on the work of Dan Holme (http://www.sharepointpromag.com/author/5052626/DanHolme).
What a fast response, I just started creating the thing!
I think a srvsvc account also should be added
all win services should be run with it like search, doc convert and so on.
What about Search service?
I did an article about this on Nothing but sharepoint. I am posting the link not to make publicity for it, but to get opinions from the community and make the article better.