Help me pliz can`t connec client to server T_T

hi im vicius, i have a problem whit wow server, i hav a lot of server files (mangos, lumdila, Kobold, etc etc etc) but the client dont connect to the server, all works fine, but the client don connect to the server, how can i find a client to that versions? the blizzard client is the 2.0.0 (2.0.12) or something like that =P, when i try to connect a message appers "unable to validate game version....etc" where can i find an older client than the 2.0.0????

thanks =)

or wich server files are compatible for the client version 2.0.0?????