Okay I followed this guide and had a few problems but have now got it working.
Everything worked fine for me until I tried to run antrix.exe then it would crash. I fixed that by editing the realms.conf file IN THE REPACK folder and making the server name have no spaces in it. I also undated my relams.wft in my WoW folder to use the same name. To keep it simple I called it Test.
After that it all appeared to start okay, could login but never connect to the Test realm just looped.
The issue here was the address of the realm in the realms.conf file IN THE REPACK folder. In the repack I downloaded it was incorrectly set to Address = ":127.0.0.18129" when it should be set to Address = "127.0.0.1:8129". Made that change and can now login in and connect to my realms and create toons.
I have included my full realms.conf file below.
#######################################################################
# Antrix Realms Configuration File
# Last updated at revision 446 by Burlex
#######################################################################
/********************************************************************************
* How to use this config file: *
* Config files are in a block->variable->setting format. *
* A < signifies the opening of a block, the block name is expected after that. *
* After the block name, a space and then the settings sperated by = / ' '. *
* *
* e.g. *
* <block setting="0" someval = "1"> *
* *
* Comments can be in C format, e.g. /* some stuff */, with a // at the start *
* of the line, or in shell format (#). *
********************************************************************************/
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# LogonServer Section
#
# Address:
# The address (no port) of the server.
#
# Port:
# The port on which the logon server listens. (*** NOT 3724 ***)
#
# Name:
# Not really relavant, but name the logon.
#
# RealmCount:
# The number of realms in the next section.
#
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
<LogonServer Address = "127.0.0.1"
Port = "8093"
Name = "Default Logon"
RealmCount = "1">
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
# Realm Section
#
# Name:
# The name of the realm.
#
# Address:
# The address (and port) of that realm.
#
# Icon:
# The type of realm (PVP, Normal, RPPVP, RP)
#
# Colour:
# Realm colour in realm list display.
#
# TimeZone:
# Time zone the realm is in.
#
# Population:
# (0 = low, 1 = medium, 2 = high)
#
#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#
<Realm1 Name = "Test"
Address = "127.0.0.1:8129"
Icon = "PVP"
Colour = "1"
Population = "1.0"
TimeZone = "1">