As an explanation, I work for a company that provides SaaS so I work with literally 1000's of different clients, each with a different set up. This particular client is...

They say they don't know why, "the old DBA set it", but they actually have multiple 15 core processors so its not optimal anyway.
I'm a big believer in...

@GilaMonster, loved your reply,, I am currently working with a client who has their affinity mask set to 1072694271 and when we asked why they didn't know. Trying to get them...