It should be OK as long as you understand what you are doing.
it will not hurt anything. I would recommend reading the Emerlad 2.5
Admin guide and the included DB schema closely, though.
-- Dale E. Reed Jr. (email@example.com)_________________________________________________________________ IEA Software, Inc. | RadiusNT, Emerald, and NT FAQs Internet Solutions for Today | http://www.iea-software.com