Is this what you followed:
http://kb.open-e.com/High-CPU-usage-...up53_2741.html

Quote Originally Posted by gharding View Post
Just an update, our severs are dell R720 Gen 12 servers I found a document on chanigng bios settings that resolves this issue, basically it changes the server to be better for low latency. We have made the changes and so far all is ok