I take no credit for this! I am simply supplying a link to a good guide.
All credit goes to D3scene's Mike Crowe. Copy and paste link!
Copy and paste the link people....It hasn't been pulled.
http://www.D3scene/forum/wow-private-server-info-help/15007-release-wotlk-alpha-server-client-8391-death-knights-working-mangos-core.html